| Vatra Dornei to Orbetello | 769.45 mi (1,238.31 km) |
| Vatra Dornei to Oria | 608.94 mi (980.00 km) |
| Vatra Dornei to Oristano | 980.55 mi (1,578.04 km) |
| Vatra Dornei to Orta Nova | 631.65 mi (1,016.55 km) |
| Vatra Dornei to Orte | 717.79 mi (1,155.17 km) |
| Vatra Dornei to Ortona | 637.35 mi (1,025.71 km) |
| Vatra Dornei to Orvieto | 720.36 mi (1,159.31 km) |
| Vatra Dornei to Orzinuovi | 746.28 mi (1,201.02 km) |
| Vatra Dornei to Osimo | 633.96 mi (1,020.25 km) |
| Vatra Dornei to Ospitaletto | 736.87 mi (1,185.88 km) |
| Vatra Dornei to Ostuni | 597.65 mi (961.83 km) |
| Vatra Dornei to Ottaviano | 700.99 mi (1,128.13 km) |
| Vatra Dornei to Ovada | 822.04 mi (1,322.94 km) |
| Vatra Dornei to Ozieri | 935.29 mi (1,505.20 km) |
| Vatra Dornei to Paceco | 915.35 mi (1,473.12 km) |
