| Daventry to Orbetello | 889.60 mi (1,431.68 km) |
| Daventry to Oria | 1,202.81 mi (1,935.74 km) |
| Daventry to Oristano | 971.10 mi (1,562.83 km) |
| Daventry to Orta Nova | 1,093.69 mi (1,760.12 km) |
| Daventry to Orte | 924.62 mi (1,488.03 km) |
| Daventry to Ortona | 996.26 mi (1,603.32 km) |
| Daventry to Orvieto | 901.93 mi (1,451.52 km) |
| Daventry to Orzinuovi | 690.86 mi (1,111.83 km) |
| Daventry to Osimo | 907.06 mi (1,459.78 km) |
| Daventry to Ospitaletto | 687.68 mi (1,106.71 km) |
| Daventry to Ostuni | 1,189.00 mi (1,913.50 km) |
| Daventry to Ottaviano | 1,078.77 mi (1,736.12 km) |
| Daventry to Ovada | 690.99 mi (1,112.04 km) |
| Daventry to Ozieri | 938.67 mi (1,510.64 km) |
| Daventry to Paceco | 1,187.13 mi (1,910.50 km) |
