| Tewkesbury to Orbetello | 907.88 mi (1,461.09 km) |
| Tewkesbury to Oria | 1,227.71 mi (1,975.81 km) |
| Tewkesbury to Oristano | 979.46 mi (1,576.29 km) |
| Tewkesbury to Orta Nova | 1,117.34 mi (1,798.19 km) |
| Tewkesbury to Orte | 945.10 mi (1,520.99 km) |
| Tewkesbury to Ortona | 1,019.80 mi (1,641.21 km) |
| Tewkesbury to Orvieto | 922.44 mi (1,484.52 km) |
| Tewkesbury to Orzinuovi | 713.60 mi (1,148.43 km) |
| Tewkesbury to Osimo | 931.43 mi (1,498.99 km) |
| Tewkesbury to Ospitaletto | 711.13 mi (1,144.45 km) |
| Tewkesbury to Ostuni | 1,214.19 mi (1,954.05 km) |
| Tewkesbury to Ottaviano | 1,099.80 mi (1,769.95 km) |
| Tewkesbury to Ovada | 708.87 mi (1,140.81 km) |
| Tewkesbury to Ozieri | 948.98 mi (1,527.24 km) |
| Tewkesbury to Paceco | 1,200.65 mi (1,932.27 km) |
