| Marlborough to Octeville | 3,270.56 mi (5,263.45 km) |
| Marlborough to Oignies | 3,443.41 mi (5,541.63 km) |
| Marlborough to Oissel | 3,392.55 mi (5,459.79 km) |
| Marlborough to Olivet | 3,464.90 mi (5,576.21 km) |
| Marlborough to Ollioules | 3,777.14 mi (6,078.72 km) |
| Marlborough to Olonne-sur-Mer | 3,340.00 mi (5,375.21 km) |
| Marlborough to Oloron-Sainte-Marie | 3,484.26 mi (5,607.38 km) |
| Marlborough to Onet Village | 3,594.04 mi (5,784.05 km) |
| Marlborough to Onnaing | 3,470.23 mi (5,584.79 km) |
| Marlborough to Orange | 3,699.40 mi (5,953.60 km) |
| Marlborough to Orchies | 3,453.53 mi (5,557.93 km) |
| Marlborough to Orleans | 3,464.23 mi (5,575.14 km) |
| Marlborough to Orly | 3,462.58 mi (5,572.48 km) |
| Marlborough to Ormesson-sur-Marne | 3,467.61 mi (5,580.59 km) |
| Marlborough to Orsay | 3,455.11 mi (5,560.46 km) |
