| Montijo to Orbetello | 1,084.32 mi (1,745.05 km) |
| Montijo to Oria | 1,412.95 mi (2,273.92 km) |
| Montijo to Oristano | 937.59 mi (1,508.91 km) |
| Montijo to Orta Nova | 1,310.80 mi (2,109.52 km) |
| Montijo to Orte | 1,143.93 mi (1,840.98 km) |
| Montijo to Ortona | 1,245.63 mi (2,004.65 km) |
| Montijo to Orvieto | 1,132.04 mi (1,821.84 km) |
| Montijo to Orzinuovi | 1,068.55 mi (1,719.67 km) |
| Montijo to Osimo | 1,207.79 mi (1,943.74 km) |
| Montijo to Ospitaletto | 1,078.49 mi (1,735.67 km) |
| Montijo to Ostuni | 1,409.42 mi (2,268.25 km) |
| Montijo to Ottaviano | 1,246.79 mi (2,006.52 km) |
| Montijo to Ovada | 992.14 mi (1,596.69 km) |
| Montijo to Ozieri | 959.97 mi (1,544.92 km) |
| Montijo to Paceco | 1,160.90 mi (1,868.29 km) |
