| Wellingborough to Orbetello | 877.55 mi (1,412.28 km) |
| Wellingborough to Oria | 1,188.21 mi (1,912.25 km) |
| Wellingborough to Oristano | 962.88 mi (1,549.60 km) |
| Wellingborough to Orta Nova | 1,079.56 mi (1,737.39 km) |
| Wellingborough to Orte | 911.72 mi (1,467.28 km) |
| Wellingborough to Ortona | 982.21 mi (1,580.71 km) |
| Wellingborough to Orvieto | 889.04 mi (1,430.77 km) |
| Wellingborough to Orzinuovi | 677.28 mi (1,089.98 km) |
| Wellingborough to Osimo | 892.75 mi (1,436.75 km) |
| Wellingborough to Ospitaletto | 673.84 mi (1,084.44 km) |
| Wellingborough to Ostuni | 1,174.30 mi (1,889.85 km) |
| Wellingborough to Ottaviano | 1,065.61 mi (1,714.93 km) |
| Wellingborough to Ovada | 679.25 mi (1,093.15 km) |
| Wellingborough to Ozieri | 929.69 mi (1,496.19 km) |
| Wellingborough to Paceco | 1,176.76 mi (1,893.81 km) |
