| Wiesmoor to Oerlinghausen | 106.47 mi (171.34 km) |
| Wiesmoor to Oestrich-Winkel | 235.19 mi (378.51 km) |
| Wiesmoor to Offenburg | 340.97 mi (548.74 km) |
| Wiesmoor to Oftersheim | 280.81 mi (451.92 km) |
| Wiesmoor to Ohrdruf | 218.53 mi (351.69 km) |
| Wiesmoor to Ohringen | 300.04 mi (482.86 km) |
| Wiesmoor to Olbernhau | 303.70 mi (488.76 km) |
| Wiesmoor to Olching | 391.76 mi (630.48 km) |
| Wiesmoor to Oldenburg | 26.60 mi (42.80 km) |
| Wiesmoor to Oldenburg in Holstein | 142.64 mi (229.55 km) |
| Wiesmoor to Olfen | 117.23 mi (188.66 km) |
| Wiesmoor to Olpe | 164.72 mi (265.10 km) |
| Wiesmoor to Olsberg | 145.13 mi (233.56 km) |
| Wiesmoor to Oranienburg | 232.69 mi (374.48 km) |
| Wiesmoor to Ortenberg | 217.75 mi (350.44 km) |
