| Trentham to Octeville | 231.93 mi (373.26 km) |
| Trentham to Oignies | 280.95 mi (452.15 km) |
| Trentham to Oissel | 287.91 mi (463.34 km) |
| Trentham to Olivet | 395.72 mi (636.85 km) |
| Trentham to Ollioules | 772.70 mi (1,243.53 km) |
| Trentham to Olonne-sur-Mer | 444.67 mi (715.63 km) |
| Trentham to Oloron-Sainte-Marie | 679.09 mi (1,092.88 km) |
| Trentham to Onet Village | 632.72 mi (1,018.26 km) |
| Trentham to Onnaing | 305.19 mi (491.16 km) |
| Trentham to Orange | 688.09 mi (1,107.38 km) |
| Trentham to Orchies | 289.25 mi (465.50 km) |
| Trentham to Orleans | 393.49 mi (633.25 km) |
| Trentham to Orly | 353.49 mi (568.88 km) |
| Trentham to Ormesson-sur-Marne | 354.69 mi (570.82 km) |
| Trentham to Orsay | 351.22 mi (565.23 km) |
