How far is Sullivan, IL from Niles, IL?
The driving distance from Sullivan, IL to Niles, IL is about 218 miles (350.8 km), with a travel time of about 03h 37m by car.
- The straight-line flight distance is about 172.4 miles (277.4 km).
- For a round trip, plan for roughly 07h 14m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 37m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Iroquois County, Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Sullivan and Niles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sullivan and Niles.
-
1
Start on West Harrison Street
31 m · 10 sec · West Harrison Street
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2
Turn left onto North Main Street
534 ft · 26 sec · North Main Street
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3
Turn right
14.4 mi · 21 min
-
4
Continue on Dewitt Avenue
2 mi · 3 min · Dewitt Avenue
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5
Turn right onto North 19th Street
2731 ft · 60 sec · North 19th Street
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6
At the end of the road, turn left onto Charleston Avenue
3 mi · 6 min · Charleston Avenue
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7
Turn right onto I-57 North: Champaign
1422 ft · 49 sec
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8
Merge slight left
168.9 mi · 3 hr 6 min
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9
Continue on Dan Ryan Expressway
3.3 mi · 5 min · Dan Ryan Expressway
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10
Keep slight left to continue on Dan Ryan Expressway (Express)
7.9 mi · 11 min · Dan Ryan Expressway (Express)
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11
Continue on Kennedy Expressway
8.2 mi · 12 min · Kennedy Expressway
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12
Continue on Edens Expressway
2.2 mi · 2 min · Edens Expressway
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13
Take the exit slight right toward US 14 West: Caldwell Avenue
1068 ft · 26 sec
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14
Turn slight right onto North Caldwell Avenue
3 mi · 5 min · North Caldwell Avenue
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15
Turn left onto West Howard Street
3217 ft · 1 min · West Howard Street
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16
Turn left onto North Waukegan Road
4 m · 1 sec · North Waukegan Road
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17
Arrive at your destination
0 m · 1 sec · North Waukegan Road
Car Route Details
A richer read on the saved driving route between Sullivan and Niles.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I-57 North
Merge slight left
169 mi · 03h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Showers And Thunderstorms Likely leaving Sullivan and Rain Showers near Niles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sullivan to Niles?
The road trip is about 218 miles (350.8 km) and usually takes 03h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Onarga is a useful midpoint, sitting about 107.4 miles from Sullivan and 110.6 miles from Niles.
How much longer is the road route than the straight-line distance?
The direct path is about 172.4 miles (277.4 km), while the road route adds roughly 45.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.87 one way or $71.75 round trip. Estimated CO2 is about 68.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Sullivan and Rain Showers near Niles.
Stop Ideas Near Onarga
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Onarga.
Gilman
Kankakee
Rantoul
Dwight station
Flight Path Map
This map shows the direct air route between Sullivan and Niles. Straight-line distance: 172.39 mi (277.43 km).
#1 Sullivan
City in Illinois
| Population | 4,400 |
| Coordinates | 39.5994800, -88.6078400 |
| Altitude | 205 |
| Country | United States |
#2 Niles
City in Trumbull County, Ohio
| Population | 28,615 |
| Coordinates | 42.0189200, -87.8028400 |
| Altitude | 194 |
| Country | United States |
End: West Howard Street (-87.802809, 42.018948)
Estimated Travel Time
Distance: 351 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 15m |
| 40 mph (64.37 km/h) | 05h 26m |
| 50 mph (80.47 km/h) | 04h 21m |
| 60 mph (96.56 km/h) | 03h 37m |
| 70 mph (112.65 km/h) | 03h 06m |
| 80 mph (129 km/h) | 02h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.67 | $35.87 | $71.75 |
| Mid-grade | $5.29 | $40.70 | $81.39 |
| Premium | $5.84 | $44.89 | $89.77 |
| Diesel | $6.57 | $50.53 | $101.06 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · Oct 15, 2026