| Maesteg to Orbetello | 940.94 mi (1,514.30 km) |
| Maesteg to Oria | 1,269.10 mi (2,042.43 km) |
| Maesteg to Oristano | 998.23 mi (1,606.50 km) |
| Maesteg to Orta Nova | 1,157.23 mi (1,862.38 km) |
| Maesteg to Orte | 981.07 mi (1,578.88 km) |
| Maesteg to Ortona | 1,059.76 mi (1,705.52 km) |
| Maesteg to Orvieto | 958.52 mi (1,542.60 km) |
| Maesteg to Orzinuovi | 753.60 mi (1,212.80 km) |
| Maesteg to Osimo | 972.76 mi (1,565.50 km) |
| Maesteg to Ospitaletto | 752.08 mi (1,210.36 km) |
| Maesteg to Ostuni | 1,256.00 mi (2,021.34 km) |
| Maesteg to Ottaviano | 1,136.09 mi (1,828.36 km) |
| Maesteg to Ovada | 742.32 mi (1,194.64 km) |
| Maesteg to Ozieri | 970.68 mi (1,562.15 km) |
| Maesteg to Paceco | 1,226.14 mi (1,973.29 km) |
