| Thun to Olympia Heights (Florida) | 4,853.19 mi (7,810.46 km) |
| Thun to Omaha (Nebraska) | 4,766.13 mi (7,670.34 km) |
| Thun to On Top of the World Designated Place (Florida) | 4,780.73 mi (7,693.84 km) |
| Thun to Onalaska (Wisconsin) | 4,462.20 mi (7,181.21 km) |
| Thun to Oneida (New York) | 3,884.40 mi (6,251.33 km) |
| Thun to Oneonta (New York) | 3,884.40 mi (6,251.34 km) |
| Thun to Ontario (California) | 5,900.09 mi (9,495.28 km) |
| Thun to Ontario (Oregon) | 5,313.45 mi (8,551.17 km) |
| Thun to Opa-locka (Florida) | 4,841.08 mi (7,790.96 km) |
| Thun to Opelika (Alabama) | 4,748.18 mi (7,641.46 km) |
| Thun to Opelousas (Louisiana) | 5,134.10 mi (8,262.53 km) |
| Thun to Orange (California) | 5,920.49 mi (9,528.10 km) |
| Thun to Orange (Texas) | 5,223.86 mi (8,406.99 km) |
| Thun to Orange City (Florida) | 4,744.48 mi (7,635.50 km) |
| Thun to Orangeburg (South Carolina) | 4,515.58 mi (7,267.12 km) |
