How far is Saint Marys, WV from Fairmont, WV?

The driving distance from Saint Marys, WV to Fairmont, WV is about 78.6 miles (126.5 km), with a travel time of about 01h 25m by car.

  • The straight-line flight distance is about 57 miles (91.8 km).
  • For a round trip, plan for roughly 02h 51m 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
78.58 mi
01h 25m
Flight
57.06 mi
91.83 km direct

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

Learn Distance

Choose another destination from Saint Marys.

Flight Distance

Direct air line
57.06 mi
Kilometers
91.83 km
Flight Time
00h 06m

Driving Distance

Road route
78.58 mi
Kilometers
126.46 km
Drive Time
01h 25m

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 25m.

Arrival Snapshot
Arrive in Fairmont
Sat, Apr 18, 11:38 PM EDT
Return by in Saint Marys
Sun, Apr 19, 1:04 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Marys
2026-04-18T22:13
Arrive Fairmont
Sat, Apr 18, 11:38 PM EDT
Route Timing
01h 25m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:26 AM to 11:26 AM EDT

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

Leave by
3:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Marys
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
West Union
WV

Town in West Virginia, USA

From Saint Marys
39.1 mi
00h 42m
To Fairmont
39.4 mi
00h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Saturday

Showers And Thunderstorms Likely

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 10 mph S
Destination
84°F
Saturday

Slight Chance Rain Showers then Chance Showers And Thunderstorms

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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on 2nd Street

    9 m · 5 sec · 2nd Street

  2. 2

    Turn right onto Clay Street

    107 m · 10 sec · Clay Street

  3. 3

    Turn left onto 3rd Street

    1672 ft · 28 sec · 3rd Street

  4. 4

    Continue on 2nd Street

    119 m · 9 sec · 2nd Street

  5. 5

    Turn right onto High Street

    13.8 mi · 20 min · High Street

  6. 6

    Continue on Main Street

    1558 ft · 31 sec · Main Street

  7. 7

    Take the ramp left

    1402 ft · 39 sec

  8. 8

    Merge slight left onto Corridor D

    44.9 mi · 53 min · Corridor D

  9. 9

    Take the exit slight right toward I 79 North

    3217 ft · 1 min

  10. 10

    Merge slight left onto Senator Jennings Randolph Highway

    16.1 mi · 18 min · Senator Jennings Randolph Highway

  11. 11

    Take the exit slight right toward WV 273 North: Downtown, Fairmont

    2164 ft · 55 sec

  12. 12

    Turn left onto Fairmont Gateway Connector

    1.3 km · 2 min · Fairmont Gateway Connector

  13. 13

    Enter the roundabout and take exit 2 toward Fairmont Gateway Connector

    37 m · 3 sec · Fairmont Gateway Connector

  14. 14

    Exit the roundabout onto Fairmont Gateway Connector

    938 ft · 24 sec · Fairmont Gateway Connector

  15. 15

    Enter the roundabout and take exit 2 toward Fairmont Gateway Connector

    39 m · 3 sec · Fairmont Gateway Connector

  16. 16

    Exit the roundabout onto Fairmont Gateway Connector

    943 ft · 25 sec · Fairmont Gateway Connector

  17. 17

    Continue on Jefferson Street

    1819 ft · 58 sec · Jefferson Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · Jefferson Street

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
18 steps
8 turns on the saved route
Ramps & Exits
9
2 merges, 7 ramps or exits
Navigation Density
22.9 / 100 mi
Decision points by distance
Main Roads
Corridor D
44.9 mi · 57%
Senator Jennings Randolph Highway
16.1 mi · 21%
High Street
13.8 mi · 18%
Fairmont Gateway Connector
1.21 mi · 2%
I 79 North
0.61 mi · 1%
Main Street
0.56 mi · 1%
Longest Stretch

Corridor D

Merge slight left onto Corridor D

44.9 mi · 00h 53m

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 25m
Day trip friendly
Same-Day Return
02h 52m
Round-trip wheel time
Road vs Air
+21.6 mi
57 mi direct line
Halfway Stop
West Union
00h 42m from Saint Marys
Leave By
3:38 PM EDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving Saint Marys and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Fairmont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 78.6 miles (126.5 km) and usually takes 01h 25m 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?

West Union is a useful midpoint, sitting about 39.1 miles from Saint Marys and 39.4 miles from Fairmont.

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

The direct path is about 57 miles (91.8 km), while the road route adds roughly 21.6 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 EDT. If you want a more comfortable same-day return, try to leave by 3:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.97 one way or $21.94 round trip. Estimated CO2 is about 24.6 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Saint Marys and Fairmont. Straight-line distance: 57.06 mi (91.83 km).

Saint Marys

#1 Saint Marys

City in West Virginia, USA

Population1,757
Coordinates39.3917400, -81.2051100
Altitude190
CountryUnited States
Fairmont

#2 Fairmont

County seat of Marion County, West Virginia, United States

Population18,370
Coordinates39.4850800, -80.1425800
Altitude300
CountryUnited States
Start: 2nd Street (-81.205099, 39.391732)
End: Jefferson Street (-80.142785, 39.485002)

Estimated Travel Time

Distance: 126 km by road

SpeedTime
30 mph (48.3 km/h)02h 37m
40 mph (64.37 km/h)01h 57m
50 mph (80.47 km/h)01h 34m
60 mph (96.56 km/h)01h 18m
70 mph (112.65 km/h)01h 07m
80 mph (129 km/h)00h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.77 gal
10.5 L · about $10.97
Round trip
$21.94
5.54 gal · 21 L
Estimated CO2
24.6 kg one way
Round trip: 49.2 kg / 108 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $10.97 $21.94
Mid-grade $4.43 $12.27 $24.54
Premium $4.78 $13.24 $26.47
Diesel $5.62 $15.58 $31.16

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 West Virginia · Apr 19, 2026

There is no time difference between Saint Marys and Fairmont. The current time is 22:13:02.

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.