| Breisach am Rhein to Oestrich-Winkel | 137.19 mi (220.79 km) |
| Breisach am Rhein to Offenburg | 34.00 mi (54.72 km) |
| Breisach am Rhein to Oftersheim | 103.06 mi (165.87 km) |
| Breisach am Rhein to Ohrdruf | 239.36 mi (385.22 km) |
| Breisach am Rhein to Ohringen | 119.00 mi (191.51 km) |
| Breisach am Rhein to Olbernhau | 316.22 mi (508.91 km) |
| Breisach am Rhein to Olching | 172.58 mi (277.74 km) |
| Breisach am Rhein to Oldenburg | 354.19 mi (570.01 km) |
| Breisach am Rhein to Oldenburg in Holstein | 455.85 mi (733.62 km) |
| Breisach am Rhein to Olfen | 254.65 mi (409.83 km) |
| Breisach am Rhein to Olpe | 206.44 mi (332.23 km) |
| Breisach am Rhein to Olsberg | 232.66 mi (374.43 km) |
| Breisach am Rhein to Oranienburg | 410.12 mi (660.03 km) |
| Breisach am Rhein to Ortenberg | 173.68 mi (279.51 km) |
| Breisach am Rhein to Oschatz | 334.46 mi (538.26 km) |
