| Rosrath to Oerlinghausen | 97.54 mi (156.97 km) |
| Rosrath to Oestrich-Winkel | 71.82 mi (115.58 km) |
| Rosrath to Offenburg | 171.43 mi (275.89 km) |
| Rosrath to Oftersheim | 122.54 mi (197.22 km) |
| Rosrath to Ohrdruf | 154.86 mi (249.22 km) |
| Rosrath to Ohringen | 156.06 mi (251.16 km) |
| Rosrath to Olbernhau | 269.06 mi (433.02 km) |
| Rosrath to Olching | 262.85 mi (423.02 km) |
| Rosrath to Oldenburg | 161.11 mi (259.28 km) |
| Rosrath to Oldenburg in Holstein | 281.51 mi (453.04 km) |
| Rosrath to Olfen | 57.09 mi (91.87 km) |
| Rosrath to Olpe | 29.42 mi (47.34 km) |
| Rosrath to Olsberg | 64.38 mi (103.61 km) |
| Rosrath to Oranienburg | 288.39 mi (464.11 km) |
| Rosrath to Ortenberg | 90.25 mi (145.24 km) |
