| Honiton to Orbetello | 892.15 mi (1,435.77 km) |
| Honiton to Oria | 1,225.14 mi (1,971.68 km) |
| Honiton to Oristano | 942.98 mi (1,517.58 km) |
| Honiton to Orta Nova | 1,112.35 mi (1,790.16 km) |
| Honiton to Orte | 933.92 mi (1,503.00 km) |
| Honiton to Ortona | 1,015.10 mi (1,633.64 km) |
| Honiton to Orvieto | 911.49 mi (1,466.90 km) |
| Honiton to Orzinuovi | 709.73 mi (1,142.20 km) |
| Honiton to Osimo | 929.25 mi (1,495.48 km) |
| Honiton to Ospitaletto | 708.92 mi (1,140.90 km) |
| Honiton to Ostuni | 1,212.37 mi (1,951.12 km) |
| Honiton to Ottaviano | 1,088.89 mi (1,752.39 km) |
| Honiton to Ovada | 694.24 mi (1,117.27 km) |
| Honiton to Ozieri | 916.50 mi (1,474.96 km) |
| Honiton to Paceco | 1,173.23 mi (1,888.13 km) |
