| Salzgitter to Oerlinghausen | 71.92 mi (115.75 km) |
| Salzgitter to Oestrich-Winkel | 179.78 mi (289.32 km) |
| Salzgitter to Offenburg | 275.61 mi (443.55 km) |
| Salzgitter to Oftersheim | 206.67 mi (332.60 km) |
| Salzgitter to Ohrdruf | 92.94 mi (149.57 km) |
| Salzgitter to Ohringen | 207.06 mi (333.23 km) |
| Salzgitter to Olbernhau | 164.96 mi (265.48 km) |
| Salzgitter to Olching | 276.36 mi (444.76 km) |
| Salzgitter to Oldenburg | 112.28 mi (180.70 km) |
| Salzgitter to Oldenburg in Holstein | 150.28 mi (241.85 km) |
| Salzgitter to Olfen | 129.18 mi (207.90 km) |
| Salzgitter to Olpe | 132.85 mi (213.80 km) |
| Salzgitter to Olsberg | 96.52 mi (155.34 km) |
| Salzgitter to Oranienburg | 129.19 mi (207.90 km) |
| Salzgitter to Ortenberg | 135.72 mi (218.43 km) |
