| Calpe to Nuth | 894.23 mi (1,439.13 km) |
| Calpe to Oegstgeest | 959.22 mi (1,543.72 km) |
| Calpe to Oirschot | 923.86 mi (1,486.81 km) |
| Calpe to Oisterwijk | 928.03 mi (1,493.52 km) |
| Calpe to Oldebroek | 994.20 mi (1,600.02 km) |
| Calpe to Oldenzaal | 1,000.72 mi (1,610.51 km) |
| Calpe to Ommen | 1,005.79 mi (1,618.66 km) |
| Calpe to Oosterend | 1,032.68 mi (1,661.93 km) |
| Calpe to Oosterhout | 927.68 mi (1,492.96 km) |
| Calpe to Oosterwolde | 1,034.83 mi (1,665.40 km) |
| Calpe to Oostzaan | 980.47 mi (1,577.92 km) |
| Calpe to Opmeer | 998.98 mi (1,607.70 km) |
| Calpe to Oss | 944.27 mi (1,519.66 km) |
| Calpe to Oud-Beijerland | 933.99 mi (1,503.12 km) |
| Calpe to Oudenbosch | 920.19 mi (1,480.90 km) |
