| Usingen to Oerlinghausen | 112.92 mi (181.73 km) |
| Usingen to Oestrich-Winkel | 33.16 mi (53.37 km) |
| Usingen to Offenburg | 131.87 mi (212.23 km) |
| Usingen to Oftersheim | 66.63 mi (107.22 km) |
| Usingen to Ohrdruf | 102.17 mi (164.43 km) |
| Usingen to Ohringen | 89.38 mi (143.84 km) |
| Usingen to Olbernhau | 211.98 mi (341.14 km) |
| Usingen to Olching | 193.49 mi (311.39 km) |
| Usingen to Oldenburg | 194.61 mi (313.19 km) |
| Usingen to Oldenburg in Holstein | 291.32 mi (468.83 km) |
| Usingen to Olfen | 107.87 mi (173.61 km) |
| Usingen to Olpe | 56.33 mi (90.65 km) |
| Usingen to Olsberg | 70.21 mi (112.99 km) |
| Usingen to Oranienburg | 262.08 mi (421.78 km) |
| Usingen to Ortenberg | 22.88 mi (36.82 km) |
