| Wantage to Orbetello | 866.06 mi (1,393.79 km) |
| Wantage to Oria | 1,186.40 mi (1,909.32 km) |
| Wantage to Oristano | 938.76 mi (1,510.79 km) |
| Wantage to Orta Nova | 1,075.85 mi (1,731.41 km) |
| Wantage to Orte | 903.33 mi (1,453.77 km) |
| Wantage to Ortona | 978.30 mi (1,574.43 km) |
| Wantage to Orvieto | 880.67 mi (1,417.31 km) |
| Wantage to Orzinuovi | 672.05 mi (1,081.57 km) |
| Wantage to Osimo | 890.06 mi (1,432.42 km) |
| Wantage to Ospitaletto | 669.67 mi (1,077.73 km) |
| Wantage to Ostuni | 1,172.92 mi (1,887.63 km) |
| Wantage to Ottaviano | 1,058.05 mi (1,702.77 km) |
| Wantage to Ovada | 667.05 mi (1,073.51 km) |
| Wantage to Ozieri | 907.90 mi (1,461.12 km) |
| Wantage to Paceco | 1,159.13 mi (1,865.44 km) |
