| Fort William to Orangevale (California) | 4,865.54 mi (7,830.33 km) |
| Fort William to Orchards (Washington) | 4,490.25 mi (7,226.36 km) |
| Fort William to Orcutt (California) | 5,068.19 mi (8,156.46 km) |
| Fort William to Oregon (Ohio) | 3,474.29 mi (5,591.32 km) |
| Fort William to Oregon (Wisconsin) | 3,621.64 mi (5,828.47 km) |
| Fort William to Oregon City (Oregon) | 4,512.12 mi (7,261.55 km) |
| Fort William to Orem (Utah) | 4,493.30 mi (7,231.27 km) |
| Fort William to Orinda (California) | 4,940.16 mi (7,950.43 km) |
| Fort William to Orland Park (Illinois) | 3,634.43 mi (5,849.05 km) |
| Fort William to Orlando (Florida) | 4,083.34 mi (6,571.50 km) |
| Fort William to Ormond Beach (Florida) | 4,030.04 mi (6,485.72 km) |
| Fort William to Oro Valley (Arizona) | 4,918.97 mi (7,916.32 km) |
| Fort William to Oroville (California) | 4,827.27 mi (7,768.74 km) |
| Fort William to Oshkosh (Wisconsin) | 3,538.21 mi (5,694.20 km) |
| Fort William to Oskaloosa (Iowa) | 3,817.44 mi (6,143.58 km) |
