| Monteforte Irpino to Octeville | 995.13 mi (1,601.51 km) |
| Monteforte Irpino to Oignies | 868.63 mi (1,397.93 km) |
| Monteforte Irpino to Oissel | 882.05 mi (1,419.53 km) |
| Monteforte Irpino to Olivet | 793.72 mi (1,277.37 km) |
| Monteforte Irpino to Ollioules | 480.89 mi (773.92 km) |
| Monteforte Irpino to Olonne-sur-Mer | 908.90 mi (1,462.73 km) |
| Monteforte Irpino to Oloron-Sainte-Marie | 801.10 mi (1,289.25 km) |
| Monteforte Irpino to Onet Village | 660.67 mi (1,063.25 km) |
| Monteforte Irpino to Onnaing | 846.06 mi (1,361.60 km) |
| Monteforte Irpino to Orange | 551.78 mi (888.00 km) |
| Monteforte Irpino to Orchies | 861.17 mi (1,385.93 km) |
| Monteforte Irpino to Orleans | 794.84 mi (1,279.17 km) |
| Monteforte Irpino to Orly | 810.11 mi (1,303.75 km) |
| Monteforte Irpino to Ormesson-sur-Marne | 806.64 mi (1,298.16 km) |
| Monteforte Irpino to Orsay | 815.67 mi (1,312.70 km) |
