| Braunschweig to Oestrich-Winkel | 190.85 mi (307.15 km) |
| Braunschweig to Offenburg | 286.13 mi (460.49 km) |
| Braunschweig to Oftersheim | 217.13 mi (349.43 km) |
| Braunschweig to Ohrdruf | 99.83 mi (160.66 km) |
| Braunschweig to Ohringen | 216.50 mi (348.42 km) |
| Braunschweig to Olbernhau | 164.05 mi (264.01 km) |
| Braunschweig to Olching | 283.19 mi (455.75 km) |
| Braunschweig to Oldenburg | 113.87 mi (183.25 km) |
| Braunschweig to Oldenburg in Holstein | 141.30 mi (227.40 km) |
| Braunschweig to Olfen | 138.61 mi (223.07 km) |
| Braunschweig to Olpe | 143.85 mi (231.51 km) |
| Braunschweig to Olsberg | 107.50 mi (173.00 km) |
| Braunschweig to Oranienburg | 119.24 mi (191.90 km) |
| Braunschweig to Ortenberg | 146.33 mi (235.50 km) |
| Braunschweig to Oschatz | 129.29 mi (208.07 km) |
