| Blain to Oria | 1,073.98 mi (1,728.41 km) |
| Blain to Oristano | 734.46 mi (1,181.99 km) |
| Blain to Orta Nova | 958.53 mi (1,542.60 km) |
| Blain to Orte | 772.07 mi (1,242.53 km) |
| Blain to Ortona | 864.42 mi (1,391.15 km) |
| Blain to Orvieto | 750.85 mi (1,208.37 km) |
| Blain to Orzinuovi | 574.50 mi (924.57 km) |
| Blain to Osimo | 786.87 mi (1,266.34 km) |
| Blain to Ospitaletto | 577.62 mi (929.59 km) |
| Blain to Ostuni | 1,063.05 mi (1,710.82 km) |
| Blain to Ottaviano | 923.43 mi (1,486.12 km) |
| Blain to Ovada | 535.70 mi (862.12 km) |
| Blain to Ozieri | 714.88 mi (1,150.49 km) |
| Blain to Paceco | 975.89 mi (1,570.55 km) |
| Blain to Pachino | 1,135.83 mi (1,827.94 km) |
