| Holzminden to Oestrich-Winkel | 141.28 mi (227.37 km) |
| Holzminden to Offenburg | 241.83 mi (389.19 km) |
| Holzminden to Oftersheim | 174.07 mi (280.14 km) |
| Holzminden to Ohrdruf | 88.68 mi (142.72 km) |
| Holzminden to Ohringen | 181.71 mi (292.43 km) |
| Holzminden to Olbernhau | 186.22 mi (299.68 km) |
| Holzminden to Olching | 264.13 mi (425.07 km) |
| Holzminden to Oldenburg | 104.60 mi (168.34 km) |
| Holzminden to Oldenburg in Holstein | 180.77 mi (290.92 km) |
| Holzminden to Olfen | 88.63 mi (142.63 km) |
| Holzminden to Olpe | 89.42 mi (143.91 km) |
| Holzminden to Olsberg | 53.05 mi (85.38 km) |
| Holzminden to Oranienburg | 172.36 mi (277.38 km) |
| Holzminden to Ortenberg | 103.25 mi (166.17 km) |
| Holzminden to Oschatz | 161.33 mi (259.64 km) |
