| Bad Salzdetfurth to Oestrich-Winkel | 167.27 mi (269.20 km) |
| Bad Salzdetfurth to Offenburg | 264.98 mi (426.44 km) |
| Bad Salzdetfurth to Oftersheim | 196.33 mi (315.96 km) |
| Bad Salzdetfurth to Ohrdruf | 90.98 mi (146.42 km) |
| Bad Salzdetfurth to Ohringen | 199.23 mi (320.62 km) |
| Bad Salzdetfurth to Olbernhau | 172.89 mi (278.24 km) |
| Bad Salzdetfurth to Olching | 273.26 mi (439.77 km) |
| Bad Salzdetfurth to Oldenburg | 105.96 mi (170.53 km) |
| Bad Salzdetfurth to Oldenburg in Holstein | 158.58 mi (255.22 km) |
| Bad Salzdetfurth to Olfen | 114.53 mi (184.31 km) |
| Bad Salzdetfurth to Olpe | 118.28 mi (190.35 km) |
| Bad Salzdetfurth to Olsberg | 81.92 mi (131.83 km) |
| Bad Salzdetfurth to Oranienburg | 144.12 mi (231.93 km) |
| Bad Salzdetfurth to Ortenberg | 125.12 mi (201.36 km) |
| Bad Salzdetfurth to Oschatz | 142.84 mi (229.88 km) |
