How far is Denison, IA from Marion, IA?
The driving distance from Denison, IA to Marion, IA is about 201.9 miles (324.9 km), with a travel time of about 03h 32m by car.
- The straight-line flight distance is about 192.9 miles (310.4 km).
- For a round trip, plan for roughly 07h 04m 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 32m.
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.
Town in Story County, Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Denison and Marion.
Turn-by-Turn Driving Directions
Step-by-step road directions between Denison and Marion.
-
1
Start on North Main Street
1961 ft · 1 min · North Main Street
-
2
Turn left onto 4th Avenue South
29.4 mi · 43 min · 4th Avenue South
-
3
Continue on County Road N33
10.3 mi · 14 min · County Road N33
-
4
Continue on 220th Street
44.4 mi · 59 min · 220th Street
-
5
Continue on 230th Street
77.2 mi · 1 hr 29 min · 230th Street
-
6
Continue on 73rd Street
26.8 mi · 31 min · 73rd Street
-
7
Take the exit slight right toward IA 100 East: Cedar Rapids, Marion
1.6 km · 2 min
-
8
Continue straight
9.4 mi · 11 min
-
9
Keep slight right to continue on Collins Road Northeast
1.8 mi · 2 min · Collins Road Northeast
-
10
Turn left onto 1st Avenue East
717 ft · 22 sec · 1st Avenue East
-
11
Continue on Marion Boulevard
1 km · 1 min · Marion Boulevard
-
12
Continue on 7th Avenue
1664 ft · 46 sec · 7th Avenue
-
13
Turn left onto 6th Street
96 m · 18 sec · 6th Street
-
14
Turn right onto 8th Avenue
1702 ft · 1 min · 8th Avenue
-
15
Arrive at your destination
0 m · 1 sec · 8th Avenue
Car Route Details
A richer read on the saved driving route between Denison and Marion.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
230th Street
Continue on 230th Street
77.2 mi · 01h 29m
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.
Sunny leaving Denison and Chance Showers And Thunderstorms near Marion.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Denison to Marion?
The road trip is about 201.9 miles (324.9 km) and usually takes 03h 32m 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?
Nevada is a useful midpoint, sitting about 100.8 miles from Denison and 101 miles from Marion.
How much longer is the road route than the straight-line distance?
The direct path is about 192.9 miles (310.4 km), while the road route adds roughly 9 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 9:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.85 one way or $53.70 round trip. Estimated CO2 is about 63.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Denison and Chance Showers And Thunderstorms near Marion.
Stop Ideas Near Nevada
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 Nevada.
Osceola
Flight Path Map
This map shows the direct air route between Denison and Marion. Straight-line distance: 192.85 mi (310.36 km).
#1 Denison
City in Iowa, United States
| Population | 8,249 |
| Coordinates | 42.0177700, -95.3552800 |
| Altitude | 391 |
| Country | United States |
#2 Marion
The county seat of Linn County, Iowa.
| Population | 40,780 |
| Coordinates | 42.0341700, -91.5976800 |
| Altitude | 259 |
| Country | United States |
End: 8th Avenue (-91.59768, 42.03419)
Estimated Travel Time
Distance: 325 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 43m |
| 40 mph (64.37 km/h) | 05h 02m |
| 50 mph (80.47 km/h) | 04h 02m |
| 60 mph (96.56 km/h) | 03h 21m |
| 70 mph (112.65 km/h) | 02h 53m |
| 80 mph (129 km/h) | 02h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $26.85 | $53.70 |
| Mid-grade | $4.25 | $30.28 | $60.56 |
| Premium | $4.65 | $33.14 | $66.27 |
| Diesel | $5.30 | $37.76 | $75.53 |
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 Iowa · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.