| Altrincham to Orbetello | 979.77 mi (1,576.80 km) |
| Altrincham to Oria | 1,288.41 mi (2,073.49 km) |
| Altrincham to Oristano | 1,063.45 mi (1,711.46 km) |
| Altrincham to Orta Nova | 1,180.40 mi (1,899.68 km) |
| Altrincham to Orte | 1,013.63 mi (1,631.28 km) |
| Altrincham to Ortona | 1,083.16 mi (1,743.18 km) |
| Altrincham to Orvieto | 990.95 mi (1,594.79 km) |
| Altrincham to Orzinuovi | 778.77 mi (1,253.31 km) |
| Altrincham to Osimo | 993.42 mi (1,598.76 km) |
| Altrincham to Ospitaletto | 775.10 mi (1,247.40 km) |
| Altrincham to Ostuni | 1,274.34 mi (2,050.86 km) |
| Altrincham to Ottaviano | 1,167.34 mi (1,878.65 km) |
| Altrincham to Ovada | 781.52 mi (1,257.73 km) |
| Altrincham to Ozieri | 1,030.93 mi (1,659.12 km) |
| Altrincham to Paceco | 1,278.82 mi (2,058.06 km) |
