| Vila Real to Orbetello | 976.63 mi (1,571.74 km) |
| Vila Real to Oria | 1,321.88 mi (2,127.37 km) |
| Vila Real to Oristano | 861.14 mi (1,385.88 km) |
| Vila Real to Orta Nova | 1,213.63 mi (1,953.15 km) |
| Vila Real to Orte | 1,036.37 mi (1,667.88 km) |
| Vila Real to Ortona | 1,139.38 mi (1,833.65 km) |
| Vila Real to Orvieto | 1,021.79 mi (1,644.41 km) |
| Vila Real to Orzinuovi | 930.20 mi (1,497.02 km) |
| Vila Real to Osimo | 1,090.81 mi (1,755.49 km) |
| Vila Real to Ospitaletto | 939.02 mi (1,511.21 km) |
| Vila Real to Ostuni | 1,316.40 mi (2,118.54 km) |
| Vila Real to Ottaviano | 1,154.82 mi (1,858.50 km) |
| Vila Real to Ovada | 858.69 mi (1,381.93 km) |
| Vila Real to Ozieri | 874.21 mi (1,406.91 km) |
| Vila Real to Paceco | 1,101.16 mi (1,772.15 km) |
