Roswell to Los Alamos is 226.4 miles and takes about 4h 37m via US 54, with a fuel budget near $34 and enough daylight to finish in a day. You'll travel entirely within New Mexico, moving from the Desert Southwest region to another part of the same arid landscape. This is a straightforward, one-day trip with a mix of highway cruising and surface road driving, suitable for a quick transit between these two distinct New Mexico destinations. Plan for a solid few hours of driving punctuated by a single recommended stop.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
113.2 miles from Roswell, NM
A natural place for your longest stop of the day
, about 2h 11m into the drive
.
Main Roads
Road
Distance
Duration
North Main Street
97.8 mi
1h 52m
US 54
83.2 mi
1h 39m
Los Alamos Highway
16.4 mi
24m
Taos Highway
12.2 mi
14m
I 25
5.9 mi
5m
Old Pecos Trail
2.9 mi
5m
North Saint Francis Drive
1.5 mi
1m
Central Avenue
1 mi
1m
Longest stretch:
North Main Street
— 97.8 mi, about 1h 52m
Traffic on I-25
Hour-of-day weekday pattern from 4 FHWA count stations on your route.
Peak
4 PM
~1,079 veh/hr typical
· worst 1,327
Quietest
2 AM
~43 veh/hr
Peak-to-quiet ratio
25.1×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 42 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Roswell, NM and Los Alamos, NM.
1
Start on US 70; US 380
0.1 mi·28 sec·West 2nd Street
2
Turn left onto US 70; US 285
98 mi·1 hr 52 min·North Main Street
3
Continue on US 54; US 60; US 285
83 mi·1 hr 39 min·US 54; US 60; US 285
4
Turn left onto US 285
0.2 mi·28 sec·US 285
5
Merge onto I 25
5.9 mi·5 min·I 25
6
Take the exit
0.2 mi·23 sec
Toward NM 466: Old Pecos Trail
7
Keep slight right at fork
499 ft·13 sec
8
Turn straight onto NM 466
1.2 mi·2 min·Old Pecos Trail
9
Keep slight right at fork onto Old Pecos Trail
1.7 mi·3 min·Old Pecos Trail
10
Continue on Old Santa Fe Trail
0.6 mi·1 min·Old Santa Fe Trail
11
Turn left onto East Alameda Street
0.4 mi·1 min·East Alameda Street
12
Turn right onto North Guadalupe Street
0.8 mi·1 min·North Guadalupe Street
Use the left / straight lanes.
13
Take the ramp
0.3 mi·34 sec
14
Merge onto US 84; US 285
1.5 mi·1 min·North Saint Francis Drive
15
Continue on US 84; US 285
12 mi·14 min·Taos Highway
16
Continue on US 84; US 285
0.9 mi·1 min·Santa Fe Highway
Use the left / straight / right lanes.
17
Take the exit
0.1 mi·21 sec
Toward NM 502: Los Alamos HighwayUse the straight / slight right lanes.
18
Keep slight left at fork
490 ft·15 sec
Toward NM 502: Los Alamos HighwayUse the straight lane.
19
Merge onto NM 502
16 mi·24 min·Los Alamos Highway
20
Enter roundabout onto Central Avenue
94 ft·1 sec·Central Avenue
21
Continue on Central Avenue
0.9 mi·1 min·Central Avenue
22
Continue on Canyon Road
0.6 mi·1 min·Canyon Road
23
Turn right onto Diamond Drive
0.3 mi·39 sec·Diamond Drive
24
Turn right onto Orange Street
0.4 mi·1 min·Orange Street
25
Continue on Orange Street
0.3 mi·45 sec·Orange Street
26
Arrive at destination
Orange Street
Trip Plan
To make the most of this 4.5-hour drive, consider departing Roswell in the morning to ensure you have ample daylight for the entire trip. With only one recommended stop, you can either power through or plan a brief break around the halfway point. Keep an eye on your fuel gauge, especially during the 97.8-mile stretch, as services can be spread out in this region. The estimated fuel cost is around $34, so budget accordingly. Given the single-day nature of this route, flexibility is key, allowing you to depart and arrive on your own schedule.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 113.2 miles from Roswell, NM, or about 2h 11m into the drive.
The longest continuous stretch on this route runs about 97.8 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 50 miles or 58m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 113.2 miles or 2h 11m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 37m
Traffic, exits, and arrival timing usually matter more near Los Alamos, NM than in the middle of the route.
Before You Leave
+
Open the route before leaving Roswell, NM so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Roswell, NM
This is one driving day of about 226.4 miles and 4h 37m.
Your first comfortable stop window is around 50 miles from Roswell, NM.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on North Main Street for about 97.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 15
5 decision points cluster between mile 0.1 and 207.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.1 mi into trip|~0m in|US 70; US 285 / North Main Street
Turn left onto US 70; US 285 / North Main Street
Navigation decision point
5
187.5 mi into trip|~3h 39m in
Keep slight right at fork
Highway fork - watch signs carefully
5
191.4 mi into trip|~3h 47m in|North Guadalupe Street
Turn right onto North Guadalupe Street
Lane positioning matters here
Use the left / straight lanes.
6
207.2 mi into trip|~4h 7m in
Take the exit toward NM 502: Los Alamos Highway
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Toward NM 502: Los Alamos Highway
8
207.3 mi into trip|~4h 7m in
Keep slight left at fork toward NM 502: Los Alamos Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
Toward NM 502: Los Alamos Highway
Fuel & Cost
Regular Gas
$31.43 one way
$62.86 round trip
$3.53/gal25.4 MPG avg79 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$3.95
$35.16
$70.33
premium
$4.29
$38.23
$76.46
diesel
$4.80
$42.75
$85.50
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 79.2 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $24 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
67.9
0
$23.77
$10.87
Efficient EV
56.6
0
$19.81
$9.06
EV Truck/SUV
90.6
1
$31.70
$14.49
Gas CO2
79 kg
EV CO2
26 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 18, 2026
Origin
Roswell, NM
Late night
in Roswell on Sunday
Local time
4:44 AM
MDT
Current temp
94°F
Isolated Showers And Thunderstorms
S 5 to 10 mph20% chanceLive forecast
Flood Watch
Flood Watch issued July 18 at 11:40AM MDT until July 18 at 6:00PM MDT by NWS Albuquerque NM
Flood Watch
Flood Watch issued July 18 at 11:40AM MDT until July 19 at 6:00PM MDT by NWS Albuquerque NM
Destination
Los Alamos, NM
Late night
in Los Alamos on Sunday
Local time
4:44 AM
MDT
Current temp
82°F
Scattered Showers And Thunderstorms
SE 5 to 10 mph34% chanceLive forecast
Flood Watch
Flood Watch issued July 18 at 11:40AM MDT until July 18 at 6:00PM MDT by NWS Albuquerque NM
Flood Watch
Flood Watch issued July 18 at 11:40AM MDT until July 19 at 6:00PM MDT by NWS Albuquerque NM
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
12 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 37m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Manhattan Project National Historical Park
National Historical Park
The Manhattan Project is one of the most transformative events of the 20th century. It ushered in the nuclear age with the development of the world’s first atomic bombs. Most of this development took...
1 mi from route
~1 min detour
Free
near mile 226.4
Bandelier National Monument protects over 33,000 acres of ruggedly beautiful canyon and mesa country. Petroglyphs, dwellings carved into the soft rock cliffs, and standing masonry walls pay tribute to...
8 mi from route
~19 min detour
$25
near mile 226.4
Pecos is a natural and cultural crossroads through which hunters, gatherers, traders, missionaries, immigrants, soldiers, ranchers, and other travelers passed and lived. Follow in their footsteps and...
12 mi from route
~29 min detour
Free
near mile 179.5
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route features a 39% highway share, meaning you'll spend a good portion of the drive on faster roads before transitioning to surface streets. The longest continuous stretch on a single road is 97.8 miles, likely on US 54, before you encounter more varied terrain. Expect to notice a change from open highway speeds to more rural cruising as you get closer to your destination. The profile is described as mixed highway & surface, so be prepared for that shift.
39% highway, the rest on surface roads — varied driving throughout.
26 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 97.8 mi on North Main Street.
How Hard Is This Drive?
7/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near US 70; US 285 / North Main Street.
Driving Effort7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 15 significant decision points across 226.4 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (US 70; US 285 / North Main Street): Navigation decision point; at 187.5 miles: Highway fork - watch signs carefully; at 191.4 miles (North Guadalupe Street): Lane positioning matters here.
Roswell is a city in the southeastern region of the state of New Mexico, United States of America. It has attained a quirky sort of fame/notoriety as the result of an alleged UFO crash (!) in 1947.
Top landmarks
•International UFO Museum And Research Center — museum in Roswell, New Mexico, U.S.
•Chaves County Courthouse — county courthouse of Chaves County, New Mexico
•Mimms Museum of Technology and Art — Technology and Art museum in Roswell, Georgia, USA with a focus on computing his...
Los Alamos is a small town in northern New Mexico, about an hour northwest of Santa Fe. Its claim to fame is the Los Alamos National Laboratory (LANL), where Oppenheimer and other physicists created the world's first atomic bomb during World War II, concluding the Golden Age of Modern Physics and heralding the Atomic Age. Many of Los Alamos's 12,000 residents work at the laboratory. White Rock, with about 6,000, is a part of Los Alamos, but is separated from the main town by LANL. Nearly all of LANL is closed to the public, but the town has a couple of museums which are good places to learn about the history of the town.
Top landmarks
•Manhattan Project National Historical Park — Historic Park covering Manhattan Project infrastructure in New Mexico, Tennessee...
Doable as a same-day drive at 4h 37m. Total distance: 226.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 37m drive, comfortable solo distance.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 97.8 miles on North Main Street. The full list of main roads is in the Roads section above.
Yes — we found about 6 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Los Alamos, NM before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 6 rest areas along the route for bathroom stops.
Mostly yes along the main roads, but rural stretches through NM can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 0.1 miles (US 70; US 285 / North Main Street): Navigation decision point; at 187.5 miles: Highway fork - watch signs carefully; at 191.4 miles (North Guadalupe Street): Lane positioning matters here.
Yes — Manhattan Project National Historical Park, Bandelier National Monument and Pecos National Historical Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.6 hours each way, an in-and-out day trip would put you behind the wheel for 9.2 hours — manageable with a long break at Los Alamos, NM, but most travelers stay overnight.
