| Barsinghausen to Oestrich-Winkel | 171.38 mi (275.81 km) |
| Barsinghausen to Offenburg | 273.48 mi (440.12 km) |
| Barsinghausen to Oftersheim | 206.14 mi (331.75 km) |
| Barsinghausen to Ohrdruf | 115.03 mi (185.12 km) |
| Barsinghausen to Ohringen | 214.19 mi (344.71 km) |
| Barsinghausen to Olbernhau | 200.48 mi (322.64 km) |
| Barsinghausen to Olching | 294.64 mi (474.17 km) |
| Barsinghausen to Oldenburg | 78.81 mi (126.84 km) |
| Barsinghausen to Oldenburg in Holstein | 149.82 mi (241.11 km) |
| Barsinghausen to Olfen | 97.90 mi (157.55 km) |
| Barsinghausen to Olpe | 113.35 mi (182.42 km) |
| Barsinghausen to Olsberg | 78.25 mi (125.94 km) |
| Barsinghausen to Oranienburg | 160.95 mi (259.02 km) |
| Barsinghausen to Ortenberg | 135.58 mi (218.20 km) |
| Barsinghausen to Oschatz | 169.61 mi (272.96 km) |
