| Bad Nauheim to Oestrich-Winkel | 41.75 mi (67.19 km) |
| Bad Nauheim to Offenburg | 136.31 mi (219.37 km) |
| Bad Nauheim to Oftersheim | 69.22 mi (111.39 km) |
| Bad Nauheim to Ohrdruf | 92.62 mi (149.05 km) |
| Bad Nauheim to Ohringen | 87.28 mi (140.46 km) |
| Bad Nauheim to Olbernhau | 202.39 mi (325.72 km) |
| Bad Nauheim to Olching | 189.17 mi (304.44 km) |
| Bad Nauheim to Oldenburg | 193.25 mi (311.00 km) |
| Bad Nauheim to Oldenburg in Holstein | 286.27 mi (460.70 km) |
| Bad Nauheim to Olfen | 110.56 mi (177.94 km) |
| Bad Nauheim to Olpe | 60.22 mi (96.92 km) |
| Bad Nauheim to Olsberg | 68.93 mi (110.93 km) |
| Bad Nauheim to Oranienburg | 253.61 mi (408.15 km) |
| Bad Nauheim to Ortenberg | 13.48 mi (21.69 km) |
| Bad Nauheim to Oschatz | 200.75 mi (323.07 km) |
