| Vianen to Oerlinghausen | 151.79 mi (244.29 km) |
| Vianen to Oestrich-Winkel | 186.21 mi (299.67 km) |
| Vianen to Offenburg | 273.30 mi (439.84 km) |
| Vianen to Oftersheim | 236.30 mi (380.30 km) |
| Vianen to Ohrdruf | 255.48 mi (411.16 km) |
| Vianen to Ohringen | 272.36 mi (438.32 km) |
| Vianen to Olbernhau | 366.72 mi (590.17 km) |
| Vianen to Olching | 379.58 mi (610.87 km) |
| Vianen to Oldenburg | 153.39 mi (246.86 km) |
| Vianen to Oldenburg in Holstein | 288.08 mi (463.62 km) |
| Vianen to Olfen | 99.17 mi (159.60 km) |
| Vianen to Olpe | 135.20 mi (217.58 km) |
| Vianen to Olsberg | 151.43 mi (243.70 km) |
| Vianen to Oranienburg | 347.18 mi (558.74 km) |
| Vianen to Ortenberg | 204.91 mi (329.77 km) |
