| Hassloch to Oestrich-Winkel | 46.28 mi (74.48 km) |
| Hassloch to Offenburg | 62.70 mi (100.91 km) |
| Hassloch to Oftersheim | 15.13 mi (24.35 km) |
| Hassloch to Ohrdruf | 150.13 mi (241.61 km) |
| Hassloch to Ohringen | 57.29 mi (92.20 km) |
| Hassloch to Olbernhau | 243.30 mi (391.56 km) |
| Hassloch to Olching | 160.64 mi (258.53 km) |
| Hassloch to Oldenburg | 262.14 mi (421.87 km) |
| Hassloch to Oldenburg in Holstein | 359.96 mi (579.30 km) |
| Hassloch to Olfen | 167.89 mi (270.20 km) |
| Hassloch to Olpe | 116.62 mi (187.69 km) |
| Hassloch to Olsberg | 138.57 mi (223.00 km) |
| Hassloch to Oranienburg | 319.61 mi (514.35 km) |
| Hassloch to Ortenberg | 78.21 mi (125.86 km) |
| Hassloch to Oschatz | 253.03 mi (407.21 km) |
