| Fairmont to Odessa (Texas) | 1,347.17 mi (2,168.07 km) |
| Fairmont to Ogden (Utah) | 1,670.42 mi (2,688.28 km) |
| Fairmont to Oildale (California) | 2,134.26 mi (3,434.76 km) |
| Fairmont to Ojus (Florida) | 934.18 mi (1,503.41 km) |
| Fairmont to Okemos (Michigan) | 314.69 mi (506.44 km) |
| Fairmont to Oklahoma City (Oklahoma) | 989.85 mi (1,593.01 km) |
| Fairmont to Okmulgee (Oklahoma) | 907.38 mi (1,460.29 km) |
| Fairmont to Olathe (Kansas) | 785.95 mi (1,264.87 km) |
| Fairmont to Old Jamestown (Missouri) | 544.51 mi (876.31 km) |
| Fairmont to Oldsmar (Florida) | 802.54 mi (1,291.56 km) |
| Fairmont to Olean (New York) | 201.16 mi (323.73 km) |
| Fairmont to Olive Branch (Mississippi) | 617.58 mi (993.91 km) |
| Fairmont to Olivehurst (California) | 2,194.91 mi (3,532.37 km) |
| Fairmont to Olney (Maryland) | 166.09 mi (267.30 km) |
| Fairmont to Olympia (Washington) | 2,184.56 mi (3,515.70 km) |
