| Calheta to Octeville | 1,413.48 mi (2,274.78 km) |
| Calheta to Oignies | 1,598.01 mi (2,571.76 km) |
| Calheta to Oissel | 1,483.00 mi (2,386.65 km) |
| Calheta to Olivet | 1,442.58 mi (2,321.62 km) |
| Calheta to Ollioules | 1,438.81 mi (2,315.54 km) |
| Calheta to Olonne-sur-Mer | 1,252.93 mi (2,016.39 km) |
| Calheta to Oloron-Sainte-Marie | 1,152.53 mi (1,854.82 km) |
| Calheta to Onet Village | 1,330.82 mi (2,141.75 km) |
| Calheta to Onnaing | 1,614.09 mi (2,597.63 km) |
| Calheta to Orange | 1,419.91 mi (2,285.13 km) |
| Calheta to Orchies | 1,606.43 mi (2,585.30 km) |
| Calheta to Orleans | 1,444.58 mi (2,324.83 km) |
| Calheta to Orly | 1,498.98 mi (2,412.37 km) |
| Calheta to Ormesson-sur-Marne | 1,505.90 mi (2,423.52 km) |
| Calheta to Orsay | 1,489.81 mi (2,397.61 km) |
