| Walkden to Orbetello | 987.93 mi (1,589.92 km) |
| Walkden to Oria | 1,295.54 mi (2,084.98 km) |
| Walkden to Oristano | 1,072.55 mi (1,726.10 km) |
| Walkden to Orta Nova | 1,187.77 mi (1,911.53 km) |
| Walkden to Orte | 1,021.50 mi (1,643.95 km) |
| Walkden to Ortona | 1,090.57 mi (1,755.11 km) |
| Walkden to Orvieto | 998.82 mi (1,607.45 km) |
| Walkden to Orzinuovi | 786.43 mi (1,265.63 km) |
| Walkden to Osimo | 1,000.74 mi (1,610.53 km) |
| Walkden to Ospitaletto | 782.66 mi (1,259.57 km) |
| Walkden to Ostuni | 1,281.44 mi (2,062.27 km) |
| Walkden to Ottaviano | 1,175.09 mi (1,891.12 km) |
| Walkden to Ovada | 789.78 mi (1,271.04 km) |
| Walkden to Ozieri | 1,039.88 mi (1,673.52 km) |
| Walkden to Paceco | 1,287.44 mi (2,071.94 km) |
