| Marshfield to Octeville | 3,925.53 mi (6,317.53 km) |
| Marshfield to Oignies | 4,066.73 mi (6,544.77 km) |
| Marshfield to Oissel | 4,039.50 mi (6,500.95 km) |
| Marshfield to Olivet | 4,127.30 mi (6,642.25 km) |
| Marshfield to Ollioules | 4,475.32 mi (7,202.33 km) |
| Marshfield to Olonne-sur-Mer | 4,035.66 mi (6,494.76 km) |
| Marshfield to Oloron-Sainte-Marie | 4,213.54 mi (6,781.03 km) |
| Marshfield to Onet Village | 4,294.98 mi (6,912.10 km) |
| Marshfield to Onnaing | 4,091.91 mi (6,585.30 km) |
| Marshfield to Orange | 4,391.91 mi (7,068.09 km) |
| Marshfield to Orchies | 4,075.65 mi (6,559.13 km) |
| Marshfield to Orleans | 4,126.11 mi (6,640.33 km) |
| Marshfield to Orly | 4,111.47 mi (6,616.77 km) |
| Marshfield to Ormesson-sur-Marne | 4,115.29 mi (6,622.92 km) |
| Marshfield to Orsay | 4,105.53 mi (6,607.22 km) |
