| Tut to Olympia Heights (Florida) | 6,499.64 mi (10,460.16 km) |
| Tut to Omaha (Nebraska) | 6,250.80 mi (10,059.69 km) |
| Tut to On Top of the World Designated Place (Florida) | 6,413.23 mi (10,321.09 km) |
| Tut to Onalaska (Wisconsin) | 5,958.77 mi (9,589.72 km) |
| Tut to Oneida (New York) | 5,470.88 mi (8,804.53 km) |
| Tut to Oneonta (New York) | 5,477.51 mi (8,815.19 km) |
| Tut to Ontario (California) | 7,230.49 mi (11,636.34 km) |
| Tut to Ontario (Oregon) | 6,569.40 mi (10,572.42 km) |
| Tut to Opa-locka (Florida) | 6,487.31 mi (10,440.32 km) |
| Tut to Opelika (Alabama) | 6,354.65 mi (10,226.82 km) |
| Tut to Opelousas (Louisiana) | 6,719.39 mi (10,813.81 km) |
| Tut to Orange (California) | 7,249.97 mi (11,667.70 km) |
| Tut to Orange (Texas) | 6,802.00 mi (10,946.77 km) |
| Tut to Orange City (Florida) | 6,380.36 mi (10,268.20 km) |
| Tut to Orangeburg (South Carolina) | 6,135.62 mi (9,874.32 km) |
