| Cities | Distance |
|---|---|
| Monthey to Orbetello | 337.06 mi (542.44 km) |
| Monthey to Oria | 666.65 mi (1,072.88 km) |
| Monthey to Oristano | 446.07 mi (717.89 km) |
| Monthey to Orta Nova | 553.05 mi (890.05 km) |
| Monthey to Orte | 374.91 mi (603.36 km) |
| Monthey to Ortona | 456.11 mi (734.03 km) |
| Monthey to Orvieto | 352.35 mi (567.05 km) |
| Monthey to Orzinuovi | 155.17 mi (249.72 km) |
| Monthey to Osimo | 372.51 mi (599.50 km) |
| Monthey to Ospitaletto | 157.64 mi (253.70 km) |
| Monthey to Ostuni | 654.35 mi (1,053.08 km) |
| Monthey to Ottaviano | 529.92 mi (852.82 km) |
| Monthey to Ovada | 138.37 mi (222.69 km) |
| Monthey to Ozieri | 404.72 mi (651.33 km) |
| Monthey to Paceco | 638.82 mi (1,028.08 km) |