| Simpsonville to Octeville | 4,049.66 mi (6,517.30 km) |
| Simpsonville to Oignies | 4,224.21 mi (6,798.20 km) |
| Simpsonville to Oissel | 4,172.06 mi (6,714.28 km) |
| Simpsonville to Olivet | 4,242.82 mi (6,828.15 km) |
| Simpsonville to Ollioules | 4,548.68 mi (7,320.39 km) |
| Simpsonville to Olonne-sur-Mer | 4,113.75 mi (6,620.44 km) |
| Simpsonville to Oloron-Sainte-Marie | 4,250.19 mi (6,840.02 km) |
| Simpsonville to Onet Village | 4,365.79 mi (7,026.06 km) |
| Simpsonville to Onnaing | 4,251.07 mi (6,841.43 km) |
| Simpsonville to Orange | 4,472.29 mi (7,197.45 km) |
| Simpsonville to Orchies | 4,234.37 mi (6,814.56 km) |
| Simpsonville to Orleans | 4,242.21 mi (6,827.17 km) |
| Simpsonville to Orly | 4,241.79 mi (6,826.50 km) |
| Simpsonville to Ormesson-sur-Marne | 4,246.92 mi (6,834.75 km) |
| Simpsonville to Orsay | 4,234.21 mi (6,814.30 km) |
