| Celorico de Basto to Nuth | 932.75 mi (1,501.12 km) |
| Celorico de Basto to Oegstgeest | 948.40 mi (1,526.30 km) |
| Celorico de Basto to Oirschot | 940.28 mi (1,513.24 km) |
| Celorico de Basto to Oisterwijk | 941.07 mi (1,514.51 km) |
| Celorico de Basto to Oldebroek | 1,003.97 mi (1,615.73 km) |
| Celorico de Basto to Oldenzaal | 1,029.77 mi (1,657.26 km) |
| Celorico de Basto to Ommen | 1,022.90 mi (1,646.20 km) |
| Celorico de Basto to Oosterend | 1,035.79 mi (1,666.95 km) |
| Celorico de Basto to Oosterhout | 933.32 mi (1,502.03 km) |
| Celorico de Basto to Oosterwolde | 1,041.77 mi (1,676.57 km) |
| Celorico de Basto to Oostzaan | 973.04 mi (1,565.95 km) |
| Celorico de Basto to Opmeer | 988.39 mi (1,590.67 km) |
| Celorico de Basto to Oss | 959.64 mi (1,544.39 km) |
| Celorico de Basto to Oud-Beijerland | 928.06 mi (1,493.57 km) |
| Celorico de Basto to Oudenbosch | 920.55 mi (1,481.48 km) |
