How far is Columbus, OH from Saint Marys, OH?

The driving distance from Columbus, OH to Saint Marys, OH is about 99.5 miles (160.2 km), with a travel time of about 02h 03m by car.

  • The straight-line flight distance is about 83.6 miles (134.5 km).
  • For a round trip, plan for roughly 04h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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
99.53 mi
02h 03m
Flight
83.6 mi
134.54 km direct

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

Learn Distance

Choose another destination from Columbus.

Flight Distance

Direct air line
83.6 mi
Kilometers
134.54 km
Flight Time
00h 10m

Driving Distance

Road route
99.53 mi
Kilometers
160.18 km
Drive Time
02h 03m

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 02h 03m.

Arrival Snapshot
Arrive in Saint Marys
Sun, Apr 19, 1:42 AM EDT
Return by in Columbus
Sun, Apr 19, 3:45 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Columbus
2026-04-18T23:39
Arrive Saint Marys
Sun, Apr 19, 1:42 AM EDT
Route Timing
02h 03m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:03 AM to 12:03 PM EDT

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

Leave by
2:24 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Columbus
9:30 PM EDT
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
Zanesfield
OH

Town in Ohio, United States

From Columbus
49.7 mi
01h 01m
To Saint Marys
49.8 mi
01h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Saturday

Showers And Thunderstorms Likely

Starts
Sat, Apr 18 6:00 AM EDT
Wind
6 to 16 mph S
Destination
75°F
Saturday

Chance Showers And Thunderstorms then Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
10 to 18 mph SW

Driving Route Map

The map below follows the saved road route between Columbus and Saint Marys.

Turn-by-Turn Driving Directions

Step-by-step road directions between Columbus and Saint Marys.

  1. 1

    Start on the route

    23 m · 6 sec

  2. 2

    Turn right onto East State Street

    556 ft · 26 sec · East State Street

  3. 3

    Turn left onto South High Street

    151 m · 21 sec · South High Street

  4. 4

    Turn right onto West Town Street

    861 ft · 33 sec · West Town Street

  5. 5

    At the end of the road, turn left onto Civic Center Drive

    823 ft · 28 sec · Civic Center Drive

  6. 6

    Continue on South 2nd Street

    736 ft · 30 sec · South 2nd Street

  7. 7

    Take the ramp slight right toward I-70 West

    1259 ft · 31 sec

  8. 8

    Merge slight left onto South Innerbelt

    3202 ft · 50 sec · South Innerbelt

  9. 9

    Continue on West Freeway

    5.6 mi · 7 min · West Freeway

  10. 10

    Take the exit slight right toward I 270

    1927 ft · 47 sec

  11. 11

    Keep slight right to continue on I 270 North: Cleveland

    3140 ft · 1 min

  12. 12

    Merge slight left onto Jack Nicklaus Freeway

    8 mi · 9 min · Jack Nicklaus Freeway

  13. 13

    Take the exit slight right toward US 33 West, SR 161 West: Marysville

    1655 ft · 40 sec

  14. 14

    Merge slight left

    59 mi · 1 hr 9 min

  15. 15

    Turn left onto Market Street

    22.1 mi · 27 min · Market Street

  16. 16

    Take the exit slight right toward SR 66: Saint Marys, Spencerville

    555 ft · 14 sec

  17. 17

    Keep slight left

    1.3 km · 2 min

  18. 18

    Turn straight

    1.3 km · 2 min

  19. 19

    Turn right onto East Spring Street

    1705 ft · 48 sec · East Spring Street

  20. 20

    Turn left onto South Front Street

    32 m · 5 sec · South Front Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · South Front Street

Car Route Details

A richer read on the saved driving route between Columbus and Saint Marys.

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
21 steps
8 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
21.1 / 100 mi
Decision points by distance
Main Roads
US 33 West
59.3 mi · 60%
Market Street
22.1 mi · 22%
Jack Nicklaus Freeway
8.02 mi · 8%
West Freeway
5.56 mi · 6%
SR 66
0.89 mi · 1%
South Innerbelt
0.61 mi · 1%
Longest Stretch

US 33 West

Merge slight left

59 mi · 01h 09m

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
02h 03m
Day trip friendly
Same-Day Return
04h 06m
Round-trip wheel time
Road vs Air
+15.9 mi
83.6 mi direct line
Halfway Stop
Zanesfield
01h 01m from Columbus
Leave By
2:24 PM EDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving Columbus and Chance Showers And Thunderstorms then Showers And Thunderstorms near Saint Marys.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Columbus to Saint Marys?

The road trip is about 99.5 miles (160.2 km) and usually takes 02h 03m 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?

Zanesfield is a useful midpoint, sitting about 49.7 miles from Columbus and 49.8 miles from Saint Marys.

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

The direct path is about 83.6 miles (134.5 km), while the road route adds roughly 15.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.00 one way or $26.01 round trip. Estimated CO2 is about 31.2 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Columbus and Chance Showers And Thunderstorms then Showers And Thunderstorms near Saint Marys.

Stop Ideas Near Zanesfield

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Zanesfield, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Zanesfield.

BUS

Columbus, OH

72 mi away
111 East Town Street

Flight Path Map

This map shows the direct air route between Columbus and Saint Marys. Straight-line distance: 83.6 mi (134.54 km).

Columbus

#1 Columbus

The fifteenth most populous city in the United States and the center of the Columbus metropolitan area.

Population884,356
Coordinates39.9611800, -82.9987900
Altitude235
CountryUnited States
Saint Marys

#2 Saint Marys

City in Ohio, United States

Population8,113
Coordinates40.5422700, -84.3894000
Altitude264
CountryUnited States
Start: Columbus (-82.99879, 39.96118)
End: Saint Marys (-84.3894, 40.54227)

Estimated Travel Time

Distance: 160 km by road

SpeedTime
30 mph (48.3 km/h)03h 18m
40 mph (64.37 km/h)02h 29m
50 mph (80.47 km/h)01h 59m
60 mph (96.56 km/h)01h 39m
70 mph (112.65 km/h)01h 25m
80 mph (129 km/h)01h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.51 gal
13.29 L · about $13.00
Round trip
$26.01
7.02 gal · 26.58 L
Estimated CO2
31.2 kg one way
Round trip: 62.4 kg / 138 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.71 $13.00 $26.01
Mid-grade $4.24 $14.89 $29.78
Premium $4.79 $16.81 $33.63
Diesel $4.30 $15.11 $30.21

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 Ohio · Apr 19, 2026

There is no time difference between Columbus and Saint Marys. The current time is 23:39:29.

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.