| Abertillery to Orbetello | 928.24 mi (1,493.86 km) |
| Abertillery to Oria | 1,253.78 mi (2,017.76 km) |
| Abertillery to Oristano | 990.32 mi (1,593.77 km) |
| Abertillery to Orta Nova | 1,142.37 mi (1,838.46 km) |
| Abertillery to Orte | 967.43 mi (1,556.93 km) |
| Abertillery to Ortona | 1,044.85 mi (1,681.52 km) |
| Abertillery to Orvieto | 944.84 mi (1,520.57 km) |
| Abertillery to Orzinuovi | 738.53 mi (1,188.55 km) |
| Abertillery to Osimo | 957.37 mi (1,540.73 km) |
| Abertillery to Ospitaletto | 736.71 mi (1,185.61 km) |
| Abertillery to Ostuni | 1,240.54 mi (1,996.45 km) |
| Abertillery to Ottaviano | 1,122.40 mi (1,806.33 km) |
| Abertillery to Ovada | 729.37 mi (1,173.80 km) |
| Abertillery to Ozieri | 961.77 mi (1,547.82 km) |
| Abertillery to Paceco | 1,216.07 mi (1,957.07 km) |
