| Montfoort to Oerlinghausen | 158.16 mi (254.53 km) |
| Montfoort to Oestrich-Winkel | 193.95 mi (312.14 km) |
| Montfoort to Offenburg | 280.41 mi (451.28 km) |
| Montfoort to Oftersheim | 243.99 mi (392.67 km) |
| Montfoort to Ohrdruf | 262.89 mi (423.09 km) |
| Montfoort to Ohringen | 280.17 mi (450.89 km) |
| Montfoort to Olbernhau | 373.87 mi (601.69 km) |
| Montfoort to Olching | 387.42 mi (623.49 km) |
| Montfoort to Oldenburg | 156.43 mi (251.75 km) |
| Montfoort to Oldenburg in Holstein | 290.62 mi (467.71 km) |
| Montfoort to Olfen | 106.30 mi (171.07 km) |
| Montfoort to Olpe | 143.00 mi (230.14 km) |
| Montfoort to Olsberg | 158.83 mi (255.61 km) |
| Montfoort to Oranienburg | 352.50 mi (567.30 km) |
| Montfoort to Ortenberg | 212.76 mi (342.41 km) |
