| Wiesbaden to Oerlinghausen | 131.50 mi (211.63 km) |
| Wiesbaden to Oestrich-Winkel | 12.08 mi (19.44 km) |
| Wiesbaden to Offenburg | 112.49 mi (181.04 km) |
| Wiesbaden to Oftersheim | 51.54 mi (82.95 km) |
| Wiesbaden to Ohrdruf | 121.15 mi (194.97 km) |
| Wiesbaden to Ohringen | 83.04 mi (133.64 km) |
| Wiesbaden to Olbernhau | 227.99 mi (366.92 km) |
| Wiesbaden to Olching | 190.38 mi (306.40 km) |
| Wiesbaden to Oldenburg | 211.53 mi (340.42 km) |
| Wiesbaden to Oldenburg in Holstein | 312.11 mi (502.30 km) |
| Wiesbaden to Olfen | 118.92 mi (191.39 km) |
| Wiesbaden to Olpe | 66.97 mi (107.78 km) |
| Wiesbaden to Olsberg | 88.22 mi (141.98 km) |
| Wiesbaden to Oranienburg | 283.50 mi (456.25 km) |
| Wiesbaden to Ortenberg | 40.69 mi (65.49 km) |
