| Palo del Colle to Oegstgeest | 960.98 mi (1,546.55 km) |
| Palo del Colle to Oirschot | 902.05 mi (1,451.71 km) |
| Palo del Colle to Oisterwijk | 909.21 mi (1,463.23 km) |
| Palo del Colle to Oldebroek | 936.82 mi (1,507.66 km) |
| Palo del Colle to Oldenzaal | 903.88 mi (1,454.66 km) |
| Palo del Colle to Ommen | 927.68 mi (1,492.95 km) |
| Palo del Colle to Oosterend | 963.59 mi (1,550.75 km) |
| Palo del Colle to Oosterhout | 922.09 mi (1,483.96 km) |
| Palo del Colle to Oosterwolde | 957.47 mi (1,540.90 km) |
| Palo del Colle to Oostzaan | 962.56 mi (1,549.10 km) |
| Palo del Colle to Opmeer | 975.01 mi (1,569.12 km) |
| Palo del Colle to Oss | 909.99 mi (1,464.48 km) |
| Palo del Colle to Oud-Beijerland | 944.14 mi (1,519.45 km) |
| Palo del Colle to Oudenbosch | 929.03 mi (1,495.12 km) |
| Palo del Colle to Oudewater | 941.12 mi (1,514.59 km) |
