| Sankt Wendel to Oerlinghausen | 184.77 mi (297.35 km) |
| Sankt Wendel to Oestrich-Winkel | 52.37 mi (84.28 km) |
| Sankt Wendel to Offenburg | 77.35 mi (124.48 km) |
| Sankt Wendel to Oftersheim | 64.08 mi (103.13 km) |
| Sankt Wendel to Ohrdruf | 183.76 mi (295.73 km) |
| Sankt Wendel to Ohringen | 106.66 mi (171.65 km) |
| Sankt Wendel to Olbernhau | 285.68 mi (459.77 km) |
| Sankt Wendel to Olching | 208.01 mi (334.76 km) |
| Sankt Wendel to Oldenburg | 258.06 mi (415.30 km) |
| Sankt Wendel to Oldenburg in Holstein | 369.53 mi (594.70 km) |
| Sankt Wendel to Olfen | 155.75 mi (250.66 km) |
| Sankt Wendel to Olpe | 111.07 mi (178.75 km) |
| Sankt Wendel to Olsberg | 142.45 mi (229.25 km) |
| Sankt Wendel to Oranienburg | 347.55 mi (559.32 km) |
| Sankt Wendel to Ortenberg | 104.09 mi (167.51 km) |
