| Brodnica to Orbetello | 837.11 mi (1,347.20 km) |
| Brodnica to Oria | 885.46 mi (1,425.01 km) |
| Brodnica to Oristano | 1,053.06 mi (1,694.73 km) |
| Brodnica to Orta Nova | 841.80 mi (1,354.75 km) |
| Brodnica to Orte | 812.91 mi (1,308.25 km) |
| Brodnica to Ortona | 788.14 mi (1,268.39 km) |
| Brodnica to Orvieto | 801.49 mi (1,289.87 km) |
| Brodnica to Orzinuovi | 689.03 mi (1,108.89 km) |
| Brodnica to Osimo | 727.34 mi (1,170.54 km) |
| Brodnica to Ospitaletto | 676.35 mi (1,088.48 km) |
| Brodnica to Ostuni | 869.62 mi (1,399.52 km) |
| Brodnica to Ottaviano | 887.59 mi (1,428.44 km) |
| Brodnica to Ovada | 768.14 mi (1,236.20 km) |
| Brodnica to Ozieri | 1,001.36 mi (1,611.53 km) |
| Brodnica to Paceco | 1,104.87 mi (1,778.12 km) |
