| Fort William to Oakley (California) | 4,919.94 mi (7,917.88 km) |
| Fort William to Oakton (Virginia) | 3,387.49 mi (5,451.64 km) |
| Fort William to Oakville (Missouri) | 3,883.62 mi (6,250.07 km) |
| Fort William to Oatfield (Oregon) | 4,508.03 mi (7,254.97 km) |
| Fort William to Ocala (Florida) | 4,075.98 mi (6,559.66 km) |
| Fort William to Ocean Acres (New Jersey) | 3,232.71 mi (5,202.55 km) |
| Fort William to Ocean City (New Jersey) | 3,268.15 mi (5,259.58 km) |
| Fort William to Ocean Pines (Maryland) | 3,332.51 mi (5,363.15 km) |
| Fort William to Ocean Pointe (Hawaii) | 6,813.42 mi (10,965.14 km) |
| Fort William to Ocean Springs (Mississippi) | 4,256.35 mi (6,849.93 km) |
| Fort William to Oceanside (California) | 5,071.88 mi (8,162.40 km) |
| Fort William to Oceanside (New York) | 3,165.17 mi (5,093.85 km) |
| Fort William to Ocoee (Florida) | 4,085.17 mi (6,574.45 km) |
| Fort William to Oconomowoc (Wisconsin) | 3,581.77 mi (5,764.30 km) |
| Fort William to Odenton (Maryland) | 3,356.07 mi (5,401.07 km) |
