| Rionero in Vulture to Oegstgeest | 940.62 mi (1,513.77 km) |
| Rionero in Vulture to Oirschot | 881.52 mi (1,418.67 km) |
| Rionero in Vulture to Oisterwijk | 888.70 mi (1,430.22 km) |
| Rionero in Vulture to Oldebroek | 919.71 mi (1,480.14 km) |
| Rionero in Vulture to Oldenzaal | 888.57 mi (1,430.01 km) |
| Rionero in Vulture to Ommen | 911.74 mi (1,467.31 km) |
| Rionero in Vulture to Oosterend | 948.02 mi (1,525.69 km) |
| Rionero in Vulture to Oosterhout | 901.10 mi (1,450.17 km) |
| Rionero in Vulture to Oosterwolde | 942.31 mi (1,516.51 km) |
| Rionero in Vulture to Oostzaan | 943.53 mi (1,518.46 km) |
| Rionero in Vulture to Opmeer | 956.70 mi (1,539.67 km) |
| Rionero in Vulture to Oss | 890.54 mi (1,433.18 km) |
| Rionero in Vulture to Oud-Beijerland | 922.76 mi (1,485.04 km) |
| Rionero in Vulture to Oudenbosch | 907.30 mi (1,460.16 km) |
| Rionero in Vulture to Oudewater | 921.07 mi (1,482.31 km) |
