| Monteforte Irpino to Oerlinghausen | 816.92 mi (1,314.70 km) |
| Monteforte Irpino to Oestrich-Winkel | 707.86 mi (1,139.19 km) |
| Monteforte Irpino to Offenburg | 619.92 mi (997.66 km) |
| Monteforte Irpino to Oftersheim | 657.14 mi (1,057.56 km) |
| Monteforte Irpino to Ohrdruf | 712.48 mi (1,146.63 km) |
| Monteforte Irpino to Ohringen | 627.60 mi (1,010.03 km) |
| Monteforte Irpino to Olbernhau | 678.57 mi (1,092.06 km) |
| Monteforte Irpino to Olching | 531.81 mi (855.87 km) |
| Monteforte Irpino to Oldenburg | 899.31 mi (1,447.31 km) |
| Monteforte Irpino to Oldenburg in Holstein | 943.07 mi (1,517.73 km) |
| Monteforte Irpino to Olfen | 824.77 mi (1,327.35 km) |
| Monteforte Irpino to Olpe | 772.94 mi (1,243.93 km) |
| Monteforte Irpino to Olsberg | 781.11 mi (1,257.08 km) |
| Monteforte Irpino to Oranienburg | 822.50 mi (1,323.69 km) |
| Monteforte Irpino to Ortenberg | 708.28 mi (1,139.87 km) |
