| Uckfield to Orbetello | 788.62 mi (1,269.16 km) |
| Uckfield to Oria | 1,107.76 mi (1,782.76 km) |
| Uckfield to Oristano | 866.93 mi (1,395.19 km) |
| Uckfield to Orta Nova | 997.27 mi (1,604.94 km) |
| Uckfield to Orte | 825.24 mi (1,328.10 km) |
| Uckfield to Ortona | 899.72 mi (1,447.96 km) |
| Uckfield to Orvieto | 802.58 mi (1,291.62 km) |
| Uckfield to Orzinuovi | 593.51 mi (955.17 km) |
| Uckfield to Osimo | 811.43 mi (1,305.87 km) |
| Uckfield to Ospitaletto | 591.07 mi (951.23 km) |
| Uckfield to Ostuni | 1,094.28 mi (1,761.08 km) |
| Uckfield to Ottaviano | 979.87 mi (1,576.94 km) |
| Uckfield to Ovada | 589.69 mi (949.01 km) |
| Uckfield to Ozieri | 834.65 mi (1,343.24 km) |
| Uckfield to Paceco | 1,083.91 mi (1,744.38 km) |
