Interlachen to Nashua is 30.5 miles and takes about 53 minutes via FL 20 and US 17, with a fuel budget near $5 and enough daylight to finish in a day. This is a straightforward, short drive entirely within Florida, connecting two points with minimal fuss. You'll primarily be on state and US highways, making it a practical option for a quick hop between locations. Expect a functional drive rather than a scenic tour, perfect for when you just need to get from point A to point B efficiently. Given its brevity, it’s easily completed in under an hour, leaving you plenty of time for your day's activities.
Main Roads
Road
Distance
Duration
FL 20
15.6 mi
25m
Memorial Bridge
6.9 mi
11m
US 17
4.2 mi
7m
CR 309
2.7 mi
6m
Reid Street
0.6 mi
1m
9th Street
0.3 mi
1m
Commonwealth Avenue
<0.1 mi
<1m
Longest stretch:
FL 20
— 15.6 mi, about 25m
Turn-by-Turn Driving Directions
Step-by-step road directions between Interlachen, FL and Nashua, FL.
1
Start on this road
94 ft·9 sec·this road
2
Turn left onto Commonwealth Avenue
426 ft·21 sec·Commonwealth Avenue
3
Turn right onto FL 20
16 mi·25 min·FL 20
4
Keep slight left at fork onto FL 20
0.3 mi·1 min·9th Street
5
Turn right onto US 17; FL 100
0.6 mi·1 min·Reid Street
6
Continue on US 17; FL 100
6.9 mi·11 min·Memorial Bridge
7
Keep slight right at fork onto US 17
4.2 mi·7 min·US 17
8
Turn right onto CR 309
2.7 mi·6 min·CR 309
9
Arrive at destination
CR 309
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 15.2 miles from Interlachen, FL, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 6
5 decision points cluster between mile 0 and 27.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0 mi into trip|~0m in|Commonwealth Avenue
Turn left onto Commonwealth Avenue
Navigation decision point
4
0.1 mi into trip|~0m in|FL 20
Turn right onto FL 20
Navigation decision point
4
15.7 mi into trip|~25m in|FL 20 / 9th Street
Keep slight left at fork onto FL 20 / 9th Street
Highway fork - watch signs carefully
4
23.5 mi into trip|~39m in|US 17
Keep slight right at fork onto US 17
Highway fork - watch signs carefully
4
27.7 mi into trip|~46m in|CR 309
Turn right onto CR 309
Navigation decision point
Fuel & Cost
Regular Gas
$4.62 one way
$9.23 round trip
$3.85/gal25.4 MPG avg11 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.22
$5.07
$10.13
premium
$4.55
$5.46
$10.93
diesel
$4.80
$5.76
$11.52
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 10.7 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $3 in charging
· 0 stops
· 64% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
9.2
0
$3.20
$1.46
Efficient EV
7.6
0
$2.67
$1.22
EV Truck/SUV
12.2
0
$4.27
$1.95
Gas CO2
11 kg
EV CO2
4 kg (64% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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 8, 2026
Origin
Interlachen, FL
Morning
in Interlachen on Monday
Local time
7:11 AM
EDT
Current temp
75°F
Mostly Clear
SW 2 mph0% chanceLive forecast
Heat Advisory
Heat Advisory issued July 8 at 1:55AM EDT until July 8 at 7:00PM EDT by NWS Jacksonville FL
Heat Advisory
Heat Advisory issued July 8 at 1:51AM EDT until July 8 at 8:00PM EDT by NWS Tallahassee FL
Destination
Nashua, FL
Morning
in Nashua on Monday
Local time
7:11 AM
EDT
Current temp
75°F
Mostly Clear
SW 1 mph0% chanceLive forecast
Heat Advisory
Heat Advisory issued July 8 at 1:55AM EDT until July 8 at 7:00PM EDT by NWS Jacksonville FL
Heat Advisory
Heat Advisory issued July 8 at 1:51AM EDT until July 8 at 8:00PM EDT by NWS Tallahassee FL
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
53m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This trip is predominantly a highway-focused drive, with 74% of your journey on faster roads. You'll experience a significant portion of the drive on FL 20, including a longest stretch of 15.6 miles without needing to turn. While the highway sections offer efficient travel, the inclusion of Memorial Bridge and US 17 suggests a transition through more local environments as you approach your destination. The road character is likely to be a blend of open highway cruising and more built-up areas, keeping things moderately engaging for the short duration.
74% highway — fuel and pacing are the main things to plan.
9 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 15.6 mi on FL 20.
How Hard Is This Drive?
4/10
This is a straightforward highway drive that stays mostly on FL 20 and Memorial Bridge. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Commonwealth Avenue.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 53m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (Commonwealth Avenue): Navigation decision point; at 0.1 miles (FL 20): Navigation decision point; at 15.7 miles (FL 20 / 9th Street): Highway fork - watch signs carefully.
Elevation Profile
Mostly flat terrain
102 ft9 ft
Total Climb
186 ft
Total Descent
197 ft
Highest Point
102 ft
Elevation Range
93 ft
Detours Along the Way
Tagged by where each one fits in your drive — first break, midpoint, final stretch.
Sumi's
Restaurant
Around the midpoint, right off the route
23min in
0.1 mi from route
Palatka
Cuisine: japanese
Hours: Mo-Fr 11:00-21:30; Sa 11:00-22:00; Su 12...
The longest stretch is about 15.6 miles on FL 20. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: near the start (Commonwealth Avenue): Navigation decision point; at 0.1 miles (FL 20): Navigation decision point; at 15.7 miles (FL 20 / 9th Street): Highway fork - watch signs carefully.
Yes — Fort Matanzas National Monument and Castillo de San Marcos National Monument. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Nashua, FL before heading back.