| Collegedale to Oerlinghausen | 4,503.86 mi (7,248.26 km) |
| Collegedale to Oestrich-Winkel | 4,537.43 mi (7,302.29 km) |
| Collegedale to Offenburg | 4,582.01 mi (7,374.04 km) |
| Collegedale to Oftersheim | 4,580.24 mi (7,371.19 km) |
| Collegedale to Ohrdruf | 4,618.80 mi (7,433.23 km) |
| Collegedale to Ohringen | 4,622.32 mi (7,438.91 km) |
| Collegedale to Olbernhau | 4,724.00 mi (7,602.55 km) |
| Collegedale to Olching | 4,727.99 mi (7,608.97 km) |
| Collegedale to Oldenburg | 4,451.74 mi (7,164.39 km) |
| Collegedale to Oldenburg in Holstein | 4,515.43 mi (7,266.88 km) |
| Collegedale to Olfen | 4,461.83 mi (7,180.61 km) |
| Collegedale to Olpe | 4,500.10 mi (7,242.22 km) |
| Collegedale to Olsberg | 4,515.41 mi (7,266.84 km) |
| Collegedale to Oranienburg | 4,650.46 mi (7,484.20 km) |
| Collegedale to Ortenberg | 4,568.27 mi (7,351.91 km) |
