| Colleferro to Oegstgeest | 825.67 mi (1,328.78 km) |
| Colleferro to Oirschot | 766.79 mi (1,234.03 km) |
| Colleferro to Oisterwijk | 773.94 mi (1,245.54 km) |
| Colleferro to Oldebroek | 811.67 mi (1,306.25 km) |
| Colleferro to Oldenzaal | 784.68 mi (1,262.83 km) |
| Colleferro to Ommen | 806.26 mi (1,297.55 km) |
| Colleferro to Oosterend | 842.93 mi (1,356.57 km) |
| Colleferro to Oosterhout | 785.25 mi (1,263.74 km) |
| Colleferro to Oosterwolde | 838.16 mi (1,348.88 km) |
| Colleferro to Oostzaan | 831.24 mi (1,337.74 km) |
| Colleferro to Opmeer | 845.79 mi (1,361.17 km) |
| Colleferro to Oss | 777.91 mi (1,251.92 km) |
| Colleferro to Oud-Beijerland | 805.96 mi (1,297.07 km) |
| Colleferro to Oudenbosch | 789.94 mi (1,271.29 km) |
| Colleferro to Oudewater | 806.92 mi (1,298.61 km) |
