| Guimar to Octeville | 1,665.67 mi (2,680.63 km) |
| Guimar to Oignies | 1,836.18 mi (2,955.05 km) |
| Guimar to Oissel | 1,722.15 mi (2,771.53 km) |
| Guimar to Olivet | 1,668.86 mi (2,685.76 km) |
| Guimar to Ollioules | 1,605.80 mi (2,584.28 km) |
| Guimar to Olonne-sur-Mer | 1,487.83 mi (2,394.42 km) |
| Guimar to Oloron-Sainte-Marie | 1,352.42 mi (2,176.51 km) |
| Guimar to Onet Village | 1,524.98 mi (2,454.22 km) |
| Guimar to Onnaing | 1,849.56 mi (2,976.58 km) |
| Guimar to Orange | 1,601.60 mi (2,577.53 km) |
| Guimar to Orchies | 1,843.71 mi (2,967.16 km) |
| Guimar to Orleans | 1,671.08 mi (2,689.35 km) |
| Guimar to Orly | 1,729.04 mi (2,782.62 km) |
| Guimar to Ormesson-sur-Marne | 1,735.64 mi (2,793.24 km) |
| Guimar to Orsay | 1,720.43 mi (2,768.76 km) |
