| Torres Vedras to Octeville | 819.08 mi (1,318.19 km) |
| Torres Vedras to Oignies | 987.46 mi (1,589.16 km) |
| Torres Vedras to Oissel | 873.20 mi (1,405.28 km) |
| Torres Vedras to Olivet | 823.92 mi (1,325.97 km) |
| Torres Vedras to Ollioules | 833.75 mi (1,341.80 km) |
| Torres Vedras to Olonne-sur-Mer | 639.24 mi (1,028.75 km) |
| Torres Vedras to Oloron-Sainte-Marie | 532.25 mi (856.57 km) |
| Torres Vedras to Onet Village | 711.19 mi (1,144.54 km) |
| Torres Vedras to Onnaing | 1,001.40 mi (1,611.60 km) |
| Torres Vedras to Orange | 805.26 mi (1,295.94 km) |
| Torres Vedras to Orchies | 995.14 mi (1,601.53 km) |
| Torres Vedras to Orleans | 826.03 mi (1,329.37 km) |
| Torres Vedras to Orly | 882.47 mi (1,420.19 km) |
| Torres Vedras to Ormesson-sur-Marne | 889.21 mi (1,431.05 km) |
| Torres Vedras to Orsay | 873.61 mi (1,405.94 km) |
