| Alfeld to Oestrich-Winkel | 158.70 mi (255.41 km) |
| Alfeld to Offenburg | 257.31 mi (414.10 km) |
| Alfeld to Oftersheim | 188.88 mi (303.97 km) |
| Alfeld to Ohrdruf | 89.18 mi (143.52 km) |
| Alfeld to Ohringen | 193.21 mi (310.93 km) |
| Alfeld to Olbernhau | 176.78 mi (284.49 km) |
| Alfeld to Olching | 269.95 mi (434.45 km) |
| Alfeld to Oldenburg | 104.69 mi (168.48 km) |
| Alfeld to Oldenburg in Holstein | 165.59 mi (266.49 km) |
| Alfeld to Olfen | 105.96 mi (170.53 km) |
| Alfeld to Olpe | 108.90 mi (175.26 km) |
| Alfeld to Olsberg | 72.54 mi (116.74 km) |
| Alfeld to Oranienburg | 153.25 mi (246.64 km) |
| Alfeld to Ortenberg | 117.66 mi (189.36 km) |
| Alfeld to Oschatz | 148.45 mi (238.91 km) |
