| Monteforte Irpino to Oegstgeest | 917.78 mi (1,477.03 km) |
| Monteforte Irpino to Oirschot | 858.69 mi (1,381.93 km) |
| Monteforte Irpino to Oisterwijk | 865.87 mi (1,393.48 km) |
| Monteforte Irpino to Oldebroek | 899.83 mi (1,448.14 km) |
| Monteforte Irpino to Oldenzaal | 870.36 mi (1,400.72 km) |
| Monteforte Irpino to Ommen | 892.92 mi (1,437.02 km) |
| Monteforte Irpino to Oosterend | 929.43 mi (1,495.77 km) |
| Monteforte Irpino to Oosterhout | 877.80 mi (1,412.69 km) |
| Monteforte Irpino to Oosterwolde | 924.10 mi (1,487.19 km) |
| Monteforte Irpino to Oostzaan | 921.86 mi (1,483.60 km) |
| Monteforte Irpino to Opmeer | 935.66 mi (1,505.79 km) |
| Monteforte Irpino to Oss | 868.64 mi (1,397.94 km) |
| Monteforte Irpino to Oud-Beijerland | 899.08 mi (1,446.93 km) |
| Monteforte Irpino to Oudenbosch | 883.34 mi (1,421.60 km) |
| Monteforte Irpino to Oudewater | 898.56 mi (1,446.09 km) |
