| Gaffney to Octeville | 4,008.29 mi (6,450.73 km) |
| Gaffney to Oignies | 4,183.03 mi (6,731.94 km) |
| Gaffney to Oissel | 4,130.72 mi (6,647.75 km) |
| Gaffney to Olivet | 4,201.37 mi (6,761.46 km) |
| Gaffney to Ollioules | 4,507.07 mi (7,253.43 km) |
| Gaffney to Olonne-sur-Mer | 4,072.18 mi (6,553.53 km) |
| Gaffney to Oloron-Sainte-Marie | 4,208.57 mi (6,773.03 km) |
| Gaffney to Onet Village | 4,324.19 mi (6,959.11 km) |
| Gaffney to Onnaing | 4,209.90 mi (6,775.18 km) |
| Gaffney to Orange | 4,430.70 mi (7,130.52 km) |
| Gaffney to Orchies | 4,193.20 mi (6,748.31 km) |
| Gaffney to Orleans | 4,200.77 mi (6,760.48 km) |
| Gaffney to Orly | 4,200.43 mi (6,759.94 km) |
| Gaffney to Ormesson-sur-Marne | 4,205.56 mi (6,768.19 km) |
| Gaffney to Orsay | 4,192.84 mi (6,747.72 km) |
