| College to Oerlinghausen | 4,267.22 mi (6,867.42 km) |
| College to Oestrich-Winkel | 4,394.94 mi (7,072.97 km) |
| College to Offenburg | 4,498.30 mi (7,239.32 km) |
| College to Oftersheim | 4,442.62 mi (7,149.71 km) |
| College to Ohrdruf | 4,360.86 mi (7,018.13 km) |
| College to Ohringen | 4,461.84 mi (7,180.63 km) |
| College to Olbernhau | 4,390.47 mi (7,065.78 km) |
| College to Olching | 4,544.26 mi (7,313.27 km) |
| College to Oldenburg | 4,183.73 mi (6,733.07 km) |
| College to Oldenburg in Holstein | 4,125.85 mi (6,639.91 km) |
| College to Olfen | 4,273.35 mi (6,877.29 km) |
| College to Olpe | 4,324.61 mi (6,959.80 km) |
| College to Olsberg | 4,307.52 mi (6,932.28 km) |
| College to Oranienburg | 4,247.33 mi (6,835.42 km) |
| College to Ortenberg | 4,379.69 mi (7,048.43 km) |
