| Pontecorvo to Oegstgeest | 857.46 mi (1,379.96 km) |
| Pontecorvo to Oirschot | 798.47 mi (1,285.01 km) |
| Pontecorvo to Oisterwijk | 805.63 mi (1,296.54 km) |
| Pontecorvo to Oldebroek | 841.77 mi (1,354.69 km) |
| Pontecorvo to Oldenzaal | 813.71 mi (1,309.55 km) |
| Pontecorvo to Ommen | 835.72 mi (1,344.96 km) |
| Pontecorvo to Oosterend | 872.35 mi (1,403.90 km) |
| Pontecorvo to Oosterhout | 817.22 mi (1,315.18 km) |
| Pontecorvo to Oosterwolde | 867.33 mi (1,395.83 km) |
| Pontecorvo to Oostzaan | 862.40 mi (1,387.89 km) |
| Pontecorvo to Opmeer | 876.63 mi (1,410.80 km) |
| Pontecorvo to Oss | 809.08 mi (1,302.10 km) |
| Pontecorvo to Oud-Beijerland | 838.19 mi (1,348.93 km) |
| Pontecorvo to Oudenbosch | 822.28 mi (1,323.33 km) |
| Pontecorvo to Oudewater | 838.50 mi (1,349.43 km) |
