| Brumunddal to Orbetello | 1,274.42 mi (2,050.98 km) |
| Brumunddal to Oria | 1,436.72 mi (2,312.17 km) |
| Brumunddal to Oristano | 1,452.90 mi (2,338.22 km) |
| Brumunddal to Orta Nova | 1,365.84 mi (2,198.10 km) |
| Brumunddal to Orte | 1,274.35 mi (2,050.87 km) |
| Brumunddal to Ortona | 1,288.66 mi (2,073.90 km) |
| Brumunddal to Orvieto | 1,256.04 mi (2,021.40 km) |
| Brumunddal to Orzinuovi | 1,070.60 mi (1,722.97 km) |
| Brumunddal to Osimo | 1,206.82 mi (1,942.19 km) |
| Brumunddal to Ospitaletto | 1,059.67 mi (1,705.38 km) |
| Brumunddal to Ostuni | 1,420.39 mi (2,285.89 km) |
| Brumunddal to Ottaviano | 1,392.25 mi (2,240.60 km) |
| Brumunddal to Ovada | 1,126.31 mi (1,812.63 km) |
| Brumunddal to Ozieri | 1,404.92 mi (2,261.01 km) |
| Brumunddal to Paceco | 1,583.79 mi (2,548.86 km) |
