| Monteforte Irpino to Oberkirch | 619.82 mi (997.50 km) |
| Monteforte Irpino to Obernburg am Main | 674.42 mi (1,085.37 km) |
| Monteforte Irpino to Obernkirchen | 829.02 mi (1,334.18 km) |
| Monteforte Irpino to Oberschleissheim | 531.37 mi (855.15 km) |
| Monteforte Irpino to Oberstdorf | 500.99 mi (806.26 km) |
| Monteforte Irpino to Obertraubling | 571.50 mi (919.75 km) |
| Monteforte Irpino to Obertshausen | 694.50 mi (1,117.70 km) |
| Monteforte Irpino to Oberursel | 708.04 mi (1,139.48 km) |
| Monteforte Irpino to Ochsenfurt | 645.65 mi (1,039.08 km) |
| Monteforte Irpino to Ochsenhausen | 548.71 mi (883.07 km) |
| Monteforte Irpino to Ochtrup | 858.51 mi (1,381.65 km) |
| Monteforte Irpino to Odenthal | 789.09 mi (1,269.91 km) |
| Monteforte Irpino to Oelde | 817.42 mi (1,315.52 km) |
| Monteforte Irpino to Oelsnitz | 669.38 mi (1,077.26 km) |
| Monteforte Irpino to Oer-Erkenschwick | 822.91 mi (1,324.35 km) |
