| Bad Homburg to Oestrich-Winkel | 30.51 mi (49.11 km) |
| Bad Homburg to Offenburg | 124.58 mi (200.49 km) |
| Bad Homburg to Oftersheim | 58.46 mi (94.09 km) |
| Bad Homburg to Ohrdruf | 102.77 mi (165.39 km) |
| Bad Homburg to Ohringen | 80.94 mi (130.26 km) |
| Bad Homburg to Olbernhau | 210.55 mi (338.85 km) |
| Bad Homburg to Olching | 185.59 mi (298.68 km) |
| Bad Homburg to Oldenburg | 202.92 mi (326.58 km) |
| Bad Homburg to Oldenburg in Holstein | 298.16 mi (479.84 km) |
| Bad Homburg to Olfen | 116.38 mi (187.29 km) |
| Bad Homburg to Olpe | 64.69 mi (104.11 km) |
| Bad Homburg to Olsberg | 78.47 mi (126.28 km) |
| Bad Homburg to Oranienburg | 265.51 mi (427.29 km) |
| Bad Homburg to Ortenberg | 22.28 mi (35.86 km) |
| Bad Homburg to Oschatz | 210.70 mi (339.09 km) |
