| Bel Air South to Octeville | 3,587.29 mi (5,773.18 km) |
| Bel Air South to Oignies | 3,760.43 mi (6,051.83 km) |
| Bel Air South to Oissel | 3,709.38 mi (5,969.67 km) |
| Bel Air South to Olivet | 3,781.32 mi (6,085.45 km) |
| Bel Air South to Ollioules | 4,091.56 mi (6,584.73 km) |
| Bel Air South to Olonne-sur-Mer | 3,655.11 mi (5,882.33 km) |
| Bel Air South to Oloron-Sainte-Marie | 3,796.64 mi (6,110.10 km) |
| Bel Air South to Onet Village | 3,908.51 mi (6,290.13 km) |
| Bel Air South to Onnaing | 3,787.26 mi (6,095.00 km) |
| Bel Air South to Orange | 4,014.26 mi (6,460.33 km) |
| Bel Air South to Orchies | 3,770.56 mi (6,068.14 km) |
| Bel Air South to Orleans | 3,780.67 mi (6,084.40 km) |
| Bel Air South to Orly | 3,779.34 mi (6,082.26 km) |
| Bel Air South to Ormesson-sur-Marne | 3,784.40 mi (6,090.40 km) |
| Bel Air South to Orsay | 3,771.84 mi (6,070.20 km) |
