Seneca, IL to Markham, IL is 56.6 miles and takes about 1h 9m via I 80, with a fuel budget near $9 and enough daylight to finish in a day. This is a straightforward trip entirely within Illinois, moving from one part of the Midwest to another. Expect a predominantly highway experience that makes for efficient travel. It's a short enough drive that you can easily complete it within a single day, offering flexibility for when you want to depart.
Main Roads
Road
Distance
Duration
I 80
49.1 mi
57m
East Jackson Street
5.1 mi
7m
Kedzie Avenue
0.8 mi
1m
North Main Street
0.7 mi
1m
Seneca Road
0.4 mi
<1m
163rd Street
<0.1 mi
<1m
West Union Street
<0.1 mi
<1m
Longest stretch:
I 80
— 49.1 mi, about 57m
Turn-by-Turn Driving Directions
Step-by-step road directions between Seneca, IL and Markham, IL.
1
Start on West Union Street
6 ft·5 sec·West Union Street
2
Turn left onto IL 170
0.7 mi·1 min·North Main Street
3
Turn right onto US 6
5.1 mi·7 min·East Jackson Street
4
Continue on Seneca Road
0.4 mi·38 sec·Seneca Road
5
Take the ramp
0.4 mi·52 sec
Toward I 80 East: Joliet
6
Merge onto I 80
49 mi·57 min·I 80
Use the straight / slight right lanes.
7
Take the exit
0.2 mi·32 sec
Exit 154Toward Kedzie AvenueUse the straight / slight right lanes.
8
Turn left onto Kedzie Avenue
0.8 mi·1 min·Kedzie Avenue
9
Turn left onto 163rd Street
64 ft·2 sec·163rd Street
10
Arrive at destination
163rd Street
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 28.3 miles from Seneca, IL, 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 7
5 decision points cluster between mile 0 and 55.6 — 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|IL 170 / North Main Street
Turn left onto IL 170 / North Main Street
Navigation decision point
3
0.7 mi into trip|~1m in|US 6 / East Jackson Street
Turn right onto US 6 / East Jackson Street
Navigation decision point
3
6.1 mi into trip|~9m in
Take the ramp toward I 80 East: Joliet
Navigation decision point
Toward I 80 East: Joliet
5
6.5 mi into trip|~10m in|I 80
Merge onto I 80
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
55.6 mi into trip|~1h 7m in
Take the exit toward Kedzie Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 154
Toward Kedzie Avenue
Fuel & Cost
Regular Gas
$8.63 one way
$17.27 round trip
$3.88/gal25.4 MPG avg20 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.27
$9.51
$19.02
premium
$4.81
$10.71
$21.42
diesel
$5.40
$12.04
$24.08
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$9
Estimated CO2 emission: 19.8 kg one way.
Prices: EIA weekly data, 2026-04-20.
Driving Electric?
About $6 in charging
· 0 stops
· 65% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
17
0
$5.94
$2.72
Efficient EV
14.2
0
$4.95
$2.26
EV Truck/SUV
22.6
0
$7.92
$3.62
Gas CO2
20 kg
EV CO2
7 kg (65% 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 Apr 26, 2026
Origin
Seneca, IL
Late night
in Seneca on Sunday
Local time
5:57 AM
CDT
Current temp
44°F
Patchy Fog
E 5 to 10 mph0% chanceLive forecast
Flood Warning
Flood Warning issued April 25 at 9:27PM CDT by NWS Milwaukee/Sullivan WI
Flood Warning
Flood Warning issued April 25 at 9:27PM CDT by NWS Milwaukee/Sullivan WI
Destination
Markham, IL
Late night
in Markham on Sunday
Local time
5:57 AM
CDT
Current temp
41°F
Mostly Cloudy then Patchy Fog
ENE 5 mph0% chanceLive forecast
Flood Warning
Flood Warning issued April 25 at 9:27PM CDT by NWS Milwaukee/Sullivan WI
Flood Warning
Flood Warning issued April 25 at 9:27PM CDT by NWS Milwaukee/Sullivan WI
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
3 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
1h 9m 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 route is mostly highway, with 87% of the 56.6 miles on I 80. You'll experience a long stretch of 49.1 miles on I 80 before transitioning to surface roads. Expect frequent exits as you approach your destination. The final portion of the drive will shift from open highway cruising to more localized traffic patterns.
87% highway — fuel and pacing are the main things to plan.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 49.1 mi on I 80.
How Hard Is This Drive?
2/10
This is a straightforward highway drive that stays mostly on I 80 and East Jackson Street. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes early in the drive near IL 170 / North Main Street.
Driving Effort2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Seneca, IL to Markham, IL is easy. At 1h 9m with 87% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: near the start (IL 170 / North Main Street): Navigation decision point; at 0.7 miles (US 6 / East Jackson Street): Navigation decision point; at 6.1 miles: Navigation decision point.
Detours Along the Way
Tagged by where each one fits in your drive — first break, midpoint, final stretch.
The longest stretch is about 49.1 miles on I 80. 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 (IL 170 / North Main Street): Navigation decision point; at 0.7 miles (US 6 / East Jackson Street): Navigation decision point; at 6.1 miles: Navigation decision point.
Yes — Pullman National Historical Park. 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 Markham, IL before heading back.
