| Pontassieve to Oegstgeest | 663.71 mi (1,068.14 km) |
| Pontassieve to Oirschot | 604.91 mi (973.51 km) |
| Pontassieve to Oisterwijk | 612.05 mi (985.00 km) |
| Pontassieve to Oldebroek | 651.08 mi (1,047.80 km) |
| Pontassieve to Oldenzaal | 625.46 mi (1,006.58 km) |
| Pontassieve to Ommen | 646.43 mi (1,040.33 km) |
| Pontassieve to Oosterend | 683.12 mi (1,099.38 km) |
| Pontassieve to Oosterhout | 623.22 mi (1,002.98 km) |
| Pontassieve to Oosterwolde | 678.66 mi (1,092.19 km) |
| Pontassieve to Oostzaan | 669.66 mi (1,077.72 km) |
| Pontassieve to Opmeer | 684.46 mi (1,101.53 km) |
| Pontassieve to Oss | 616.35 mi (991.92 km) |
| Pontassieve to Oud-Beijerland | 643.84 mi (1,036.16 km) |
| Pontassieve to Oudenbosch | 627.79 mi (1,010.33 km) |
| Pontassieve to Oudewater | 645.08 mi (1,038.15 km) |
