How far is Ames, IA from Mason City, IA?

The driving distance from Ames, IA to Mason City, IA is about 90.8 miles (146.1 km), with a travel time of about 01h 27m by car.

  • The straight-line flight distance is about 80.2 miles (129.1 km).
  • For a round trip, plan for roughly 02h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
90.78 mi
01h 27m
Flight
80.19 mi
129.05 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Ames.

Flight Distance

Direct air line
80.19 mi
Kilometers
129.05 km
Flight Time
00h 09m

Driving Distance

Road route
90.78 mi
Kilometers
146.1 km
Drive Time
01h 27m

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 01h 27m.

Arrival Snapshot
Arrive in Mason City
Thu, Apr 23, 12:50 AM CDT
Return by in Ames
Thu, Apr 23, 2:18 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ames
2026-04-22T23:23
Arrive Mason City
Thu, Apr 23, 12:50 AM CDT
Route Timing
01h 27m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:28 AM to 11:28 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:34 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Ames
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Dows
IA

Human settlement in Iowa, United States of America

From Ames
45.2 mi
00h 43m
To Mason City
45.6 mi
00h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
6 to 15 mph SSE
Destination
79°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
6 to 17 mph SE

Driving Route Map

The map below follows the saved road route between Ames and Mason City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Ames and Mason City.

  1. 1

    Start on 13th Street

    2.7 mi · 5 min · 13th Street

  2. 2

    Turn left onto I 35 North: Minneapolis

    76.4 mi · 1 hr 22 min

  3. 3

    Take the exit slight right toward US 18 East, IA 27 South: Mason City, Charles City

    1 mi · 2 min

  4. 4

    Merge slight left

    3.6 mi · 4 min

  5. 5

    Take the exit slight right toward Airport

    1901 ft · 53 sec

  6. 6

    Turn left onto Mallard Avenue

    1.5 mi · 2 min · Mallard Avenue

  7. 7

    Continue on South Eisenhower Avenue

    2624 ft · 45 sec · South Eisenhower Avenue

  8. 8

    Turn right onto 19th Street Southwest

    2.5 mi · 4 min · 19th Street Southwest

  9. 9

    Turn left onto South Monroe Avenue

    1.3 mi · 2 min · South Monroe Avenue

  10. 10

    Turn right onto 1st Street Northwest

    2017 ft · 48 sec · 1st Street Northwest

  11. 11

    Turn left onto North Federal Avenue

    100 m · 16 sec · North Federal Avenue

  12. 12

    Turn right onto 2nd Street Northeast

    7 m · 1 sec · 2nd Street Northeast

  13. 13

    Arrive at your destination

    0 m · 1 sec · 2nd Street Northeast

Car Route Details

A richer read on the saved driving route between Ames and Mason City.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
14.3 / 100 mi
Decision points by distance
Main Roads
I 35 North
76.4 mi · 84%
US 18 East
4.63 mi · 5%
13th Street
2.66 mi · 3%
19th Street Southwest
2.51 mi · 3%
Mallard Avenue
1.54 mi · 2%
South Monroe Avenue
1.34 mi · 1%
Longest Stretch

I 35 North

Turn left onto I 35 North: Minneapolis

76.4 mi · 01h 22m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 27m
Day trip friendly
Same-Day Return
02h 56m
Round-trip wheel time
Road vs Air
+10.6 mi
80.2 mi direct line
Halfway Stop
Dows
00h 43m from Ames
Leave By
3:34 PM CDT
Morning start is best
Weather Watch

Sunny leaving Ames and Sunny near Mason City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Ames to Mason City?

The road trip is about 90.8 miles (146.1 km) and usually takes 01h 27m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Dows is a useful midpoint, sitting about 45.2 miles from Ames and 45.6 miles from Mason City.

How much longer is the road route than the straight-line distance?

The direct path is about 80.2 miles (129.1 km), while the road route adds roughly 10.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:34 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.07 one way or $24.13 round trip. Estimated CO2 is about 28.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Ames and Sunny near Mason City.

Flight Path Map

This map shows the direct air route between Ames and Mason City. Straight-line distance: 80.19 mi (129.05 km).

Ames

#1 Ames

The most populous city in Story County, Iowa.

Population67,033
Coordinates42.0347100, -93.6199400
Altitude287
CountryUnited States
Mason City

#2 Mason City

City in Cerro Gordo County, Iowa

Population26,931
Coordinates43.1535700, -93.2010400
Altitude344
CountryUnited States
Start: 13th Street (-93.619967, 42.034517)
End: 2nd Street Northeast (-93.201041, 43.153613)

Estimated Travel Time

Distance: 146 km by road

SpeedTime
30 mph (48.3 km/h)03h 01m
40 mph (64.37 km/h)02h 16m
50 mph (80.47 km/h)01h 48m
60 mph (96.56 km/h)01h 30m
70 mph (112.65 km/h)01h 17m
80 mph (129 km/h)01h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.2 gal
12.13 L · about $12.07
Round trip
$24.13
6.4 gal · 24.26 L
Estimated CO2
28.4 kg one way
Round trip: 56.9 kg / 125 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $12.07 $24.13
Mid-grade $4.25 $13.61 $27.22
Premium $4.65 $14.89 $29.79
Diesel $5.30 $16.97 $33.95

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 23, 2026

There is no time difference between Ames and Mason City. The current time is 23:23:08.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.