| Baunatal to Oestrich-Winkel | 106.91 mi (172.05 km) |
| Baunatal to Offenburg | 203.93 mi (328.20 km) |
| Baunatal to Oftersheim | 135.55 mi (218.15 km) |
| Baunatal to Ohrdruf | 64.39 mi (103.63 km) |
| Baunatal to Ohringen | 142.30 mi (229.01 km) |
| Baunatal to Olbernhau | 175.19 mi (281.94 km) |
| Baunatal to Olching | 227.70 mi (366.45 km) |
| Baunatal to Oldenburg | 139.87 mi (225.09 km) |
| Baunatal to Oldenburg in Holstein | 218.85 mi (352.20 km) |
| Baunatal to Olfen | 93.09 mi (149.81 km) |
| Baunatal to Olpe | 70.72 mi (113.81 km) |
| Baunatal to Olsberg | 40.88 mi (65.78 km) |
| Baunatal to Oranienburg | 192.46 mi (309.73 km) |
| Baunatal to Ortenberg | 64.38 mi (103.61 km) |
| Baunatal to Oschatz | 159.44 mi (256.59 km) |
