| Cekerek to Oerlinghausen | 1,513.68 mi (2,436.03 km) |
| Cekerek to Oestrich-Winkel | 1,495.68 mi (2,407.06 km) |
| Cekerek to Offenburg | 1,471.50 mi (2,368.15 km) |
| Cekerek to Oftersheim | 1,458.37 mi (2,347.02 km) |
| Cekerek to Ohrdruf | 1,401.41 mi (2,255.35 km) |
| Cekerek to Ohringen | 1,415.47 mi (2,277.98 km) |
| Cekerek to Olbernhau | 1,293.10 mi (2,081.04 km) |
| Cekerek to Olching | 1,316.46 mi (2,118.64 km) |
| Cekerek to Oldenburg | 1,563.28 mi (2,515.85 km) |
| Cekerek to Oldenburg in Holstein | 1,503.27 mi (2,419.28 km) |
| Cekerek to Olfen | 1,558.58 mi (2,508.29 km) |
| Cekerek to Olpe | 1,524.17 mi (2,452.91 km) |
| Cekerek to Olsberg | 1,505.45 mi (2,422.79 km) |
| Cekerek to Oranienburg | 1,365.51 mi (2,197.58 km) |
| Cekerek to Ortenberg | 1,458.75 mi (2,347.63 km) |
