| Oberstdorf to Oestrich-Winkel | 206.93 mi (333.03 km) |
| Oberstdorf to Offenburg | 130.85 mi (210.59 km) |
| Oberstdorf to Oftersheim | 156.20 mi (251.38 km) |
| Oberstdorf to Ohrdruf | 237.08 mi (381.54 km) |
| Oberstdorf to Ohringen | 128.78 mi (207.24 km) |
| Oberstdorf to Olbernhau | 264.10 mi (425.03 km) |
| Oberstdorf to Olching | 72.80 mi (117.16 km) |
| Oberstdorf to Oldenburg | 406.51 mi (654.21 km) |
| Oberstdorf to Oldenburg in Holstein | 476.80 mi (767.33 km) |
| Oberstdorf to Olfen | 324.59 mi (522.37 km) |
| Oberstdorf to Olpe | 272.54 mi (438.61 km) |
| Oberstdorf to Olsberg | 283.96 mi (456.99 km) |
| Oberstdorf to Oranienburg | 391.79 mi (630.52 km) |
| Oberstdorf to Ortenberg | 211.01 mi (339.58 km) |
| Oberstdorf to Oschatz | 297.37 mi (478.56 km) |
