| Alfeld to Obernburg am Main | 151.43 mi (243.70 km) |
| Alfeld to Obernkirchen | 35.68 mi (57.42 km) |
| Alfeld to Oberschleissheim | 269.55 mi (433.79 km) |
| Alfeld to Oberstdorf | 317.01 mi (510.19 km) |
| Alfeld to Obertraubling | 232.79 mi (374.64 km) |
| Alfeld to Obertshausen | 139.63 mi (224.71 km) |
| Alfeld to Oberursel | 134.75 mi (216.85 km) |
| Alfeld to Ochsenfurt | 161.92 mi (260.59 km) |
| Alfeld to Ochsenhausen | 270.65 mi (435.57 km) |
| Alfeld to Ochtrup | 112.91 mi (181.70 km) |
| Alfeld to Odenthal | 133.92 mi (215.53 km) |
| Alfeld to Oelde | 72.27 mi (116.31 km) |
| Alfeld to Oelsnitz | 148.50 mi (238.98 km) |
| Alfeld to Oer-Erkenschwick | 112.60 mi (181.21 km) |
| Alfeld to Oerlinghausen | 49.40 mi (79.50 km) |
