| Vreden to Oerlinghausen | 78.12 mi (125.73 km) |
| Vreden to Oestrich-Winkel | 149.35 mi (240.36 km) |
| Vreden to Offenburg | 251.17 mi (404.21 km) |
| Vreden to Oftersheim | 199.29 mi (320.72 km) |
| Vreden to Ohrdruf | 187.45 mi (301.68 km) |
| Vreden to Ohringen | 227.98 mi (366.89 km) |
| Vreden to Olbernhau | 295.84 mi (476.11 km) |
| Vreden to Olching | 330.93 mi (532.58 km) |
| Vreden to Oldenburg | 96.16 mi (154.75 km) |
| Vreden to Oldenburg in Holstein | 229.43 mi (369.23 km) |
| Vreden to Olfen | 32.08 mi (51.62 km) |
| Vreden to Olpe | 82.35 mi (132.53 km) |
| Vreden to Olsberg | 84.99 mi (136.77 km) |
| Vreden to Oranienburg | 274.46 mi (441.69 km) |
| Vreden to Ortenberg | 150.62 mi (242.40 km) |
