| Barssel to Oestrich-Winkel | 219.32 mi (352.95 km) |
| Barssel to Offenburg | 325.09 mi (523.18 km) |
| Barssel to Oftersheim | 265.02 mi (426.50 km) |
| Barssel to Ohrdruf | 205.69 mi (331.03 km) |
| Barssel to Ohringen | 284.61 mi (458.04 km) |
| Barssel to Olbernhau | 294.15 mi (473.38 km) |
| Barssel to Olching | 377.19 mi (607.02 km) |
| Barssel to Oldenburg | 19.44 mi (31.29 km) |
| Barssel to Oldenburg in Holstein | 150.07 mi (241.51 km) |
| Barssel to Olfen | 101.59 mi (163.50 km) |
| Barssel to Olpe | 148.84 mi (239.54 km) |
| Barssel to Olsberg | 129.57 mi (208.52 km) |
| Barssel to Oranienburg | 230.23 mi (370.52 km) |
| Barssel to Ortenberg | 202.35 mi (325.64 km) |
| Barssel to Oschatz | 260.95 mi (419.95 km) |
