| Usingen to Oberkirch | 126.11 mi (202.95 km) |
| Usingen to Obernburg am Main | 43.40 mi (69.85 km) |
| Usingen to Obernkirchen | 135.82 mi (218.58 km) |
| Usingen to Oberschleissheim | 198.40 mi (319.29 km) |
| Usingen to Oberstdorf | 217.01 mi (349.24 km) |
| Usingen to Obertraubling | 187.86 mi (302.33 km) |
| Usingen to Obertshausen | 22.66 mi (36.46 km) |
| Usingen to Oberursel | 9.22 mi (14.84 km) |
| Usingen to Ochsenfurt | 82.76 mi (133.19 km) |
| Usingen to Ochsenhausen | 168.77 mi (271.61 km) |
| Usingen to Ochtrup | 141.79 mi (228.19 km) |
| Usingen to Odenthal | 78.74 mi (126.72 km) |
| Usingen to Oelde | 104.92 mi (168.85 km) |
| Usingen to Oelsnitz | 160.00 mi (257.50 km) |
| Usingen to Oer-Erkenschwick | 106.28 mi (171.04 km) |
