| Hassa to Oberkirch | 1,642.69 mi (2,643.65 km) |
| Hassa to Obernburg am Main | 1,630.49 mi (2,624.01 km) |
| Hassa to Obernkirchen | 1,703.75 mi (2,741.93 km) |
| Hassa to Oberschleissheim | 1,486.43 mi (2,392.18 km) |
| Hassa to Oberstdorf | 1,521.31 mi (2,448.30 km) |
| Hassa to Obertraubling | 1,481.67 mi (2,384.51 km) |
| Hassa to Obertshausen | 1,649.24 mi (2,654.19 km) |
| Hassa to Oberursel | 1,663.39 mi (2,676.96 km) |
| Hassa to Ochsenfurt | 1,587.37 mi (2,554.62 km) |
| Hassa to Ochsenhausen | 1,551.26 mi (2,496.52 km) |
| Hassa to Ochtrup | 1,774.82 mi (2,856.29 km) |
| Hassa to Odenthal | 1,744.71 mi (2,807.84 km) |
| Hassa to Oelde | 1,726.91 mi (2,779.19 km) |
| Hassa to Oelsnitz | 1,527.29 mi (2,457.93 km) |
| Hassa to Oer-Erkenschwick | 1,756.20 mi (2,826.33 km) |
