| Montreux to Octeville | 452.51 mi (728.24 km) |
| Montreux to Oignies | 331.68 mi (533.78 km) |
| Montreux to Oissel | 336.34 mi (541.29 km) |
| Montreux to Olivet | 255.53 mi (411.24 km) |
| Montreux to Ollioules | 233.55 mi (375.86 km) |
| Montreux to Olonne-sur-Mer | 413.25 mi (665.06 km) |
| Montreux to Oloron-Sainte-Marie | 431.08 mi (693.75 km) |
| Montreux to Onet Village | 253.71 mi (408.30 km) |
| Montreux to Onnaing | 312.69 mi (503.22 km) |
| Montreux to Orange | 188.76 mi (303.77 km) |
| Montreux to Orchies | 325.93 mi (524.53 km) |
| Montreux to Orleans | 256.13 mi (412.21 km) |
| Montreux to Orly | 264.37 mi (425.46 km) |
| Montreux to Ormesson-sur-Marne | 260.73 mi (419.60 km) |
| Montreux to Orsay | 270.28 mi (434.98 km) |
