| Heath to Octeville | 3,820.90 mi (6,149.14 km) |
| Heath to Oignies | 3,984.53 mi (6,412.47 km) |
| Heath to Oissel | 3,941.01 mi (6,342.45 km) |
| Heath to Olivet | 4,018.45 mi (6,467.07 km) |
| Heath to Ollioules | 4,342.01 mi (6,987.79 km) |
| Heath to Olonne-sur-Mer | 3,902.58 mi (6,280.59 km) |
| Heath to Oloron-Sainte-Marie | 4,055.94 mi (6,527.40 km) |
| Heath to Onet Village | 4,159.00 mi (6,693.26 km) |
| Heath to Onnaing | 4,010.95 mi (6,455.00 km) |
| Heath to Orange | 4,262.49 mi (6,859.81 km) |
| Heath to Orchies | 3,994.31 mi (6,428.22 km) |
| Heath to Orleans | 4,017.62 mi (6,465.74 km) |
| Heath to Orly | 4,011.99 mi (6,456.68 km) |
| Heath to Ormesson-sur-Marne | 4,016.67 mi (6,464.21 km) |
| Heath to Orsay | 4,004.96 mi (6,445.37 km) |
