| Tirebolu to Octeville | 2,026.59 mi (3,261.48 km) |
| Tirebolu to Oignies | 1,825.72 mi (2,938.21 km) |
| Tirebolu to Oissel | 1,903.16 mi (3,062.85 km) |
| Tirebolu to Olivet | 1,862.59 mi (2,997.55 km) |
| Tirebolu to Ollioules | 1,686.42 mi (2,714.03 km) |
| Tirebolu to Olonne-sur-Mer | 2,037.57 mi (3,279.16 km) |
| Tirebolu to Oloron-Sainte-Marie | 2,008.00 mi (3,231.56 km) |
| Tirebolu to Onet Village | 1,839.16 mi (2,959.84 km) |
| Tirebolu to Onnaing | 1,798.61 mi (2,894.59 km) |
| Tirebolu to Orange | 1,731.35 mi (2,786.33 km) |
| Tirebolu to Orchies | 1,814.83 mi (2,920.69 km) |
| Tirebolu to Orleans | 1,862.25 mi (2,997.00 km) |
| Tirebolu to Orly | 1,842.08 mi (2,964.54 km) |
| Tirebolu to Ormesson-sur-Marne | 1,835.62 mi (2,954.15 km) |
| Tirebolu to Orsay | 1,851.26 mi (2,979.32 km) |
