| Oldham to Orbetello | 980.85 mi (1,578.52 km) |
| Oldham to Oria | 1,287.02 mi (2,071.26 km) |
| Oldham to Oristano | 1,067.47 mi (1,717.93 km) |
| Oldham to Orta Nova | 1,179.53 mi (1,898.27 km) |
| Oldham to Orte | 1,013.96 mi (1,631.81 km) |
| Oldham to Ortona | 1,082.40 mi (1,741.95 km) |
| Oldham to Orvieto | 991.29 mi (1,595.33 km) |
| Oldham to Orzinuovi | 778.61 mi (1,253.05 km) |
| Oldham to Osimo | 992.45 mi (1,597.19 km) |
| Oldham to Ospitaletto | 774.70 mi (1,246.77 km) |
| Oldham to Ostuni | 1,272.86 mi (2,048.48 km) |
| Oldham to Ottaviano | 1,167.37 mi (1,878.70 km) |
| Oldham to Ovada | 782.92 mi (1,259.98 km) |
| Oldham to Ozieri | 1,034.40 mi (1,664.71 km) |
| Oldham to Paceco | 1,281.22 mi (2,061.92 km) |
