| Oxford to Orbetello | 868.30 mi (1,397.39 km) |
| Oxford to Oria | 1,186.47 mi (1,909.44 km) |
| Oxford to Oristano | 944.00 mi (1,519.22 km) |
| Oxford to Orta Nova | 1,076.34 mi (1,732.20 km) |
| Oxford to Orte | 904.86 mi (1,456.23 km) |
| Oxford to Ortona | 978.81 mi (1,575.24 km) |
| Oxford to Orvieto | 882.19 mi (1,419.74 km) |
| Oxford to Orzinuovi | 672.73 mi (1,082.65 km) |
| Oxford to Osimo | 890.26 mi (1,432.73 km) |
| Oxford to Ospitaletto | 670.10 mi (1,078.42 km) |
| Oxford to Ostuni | 1,172.89 mi (1,887.59 km) |
| Oxford to Ottaviano | 1,059.43 mi (1,704.99 km) |
| Oxford to Ovada | 669.35 mi (1,077.22 km) |
| Oxford to Ozieri | 912.58 mi (1,468.65 km) |
| Oxford to Paceco | 1,162.89 mi (1,871.50 km) |
