| Cedar Lake to Oerlinghausen | 4,275.17 mi (6,880.22 km) |
| Cedar Lake to Oestrich-Winkel | 4,323.60 mi (6,958.17 km) |
| Cedar Lake to Offenburg | 4,378.77 mi (7,046.95 km) |
| Cedar Lake to Oftersheim | 4,369.21 mi (7,031.56 km) |
| Cedar Lake to Ohrdruf | 4,392.73 mi (7,069.42 km) |
| Cedar Lake to Ohringen | 4,410.09 mi (7,097.35 km) |
| Cedar Lake to Olbernhau | 4,492.48 mi (7,229.95 km) |
| Cedar Lake to Olching | 4,517.51 mi (7,270.23 km) |
| Cedar Lake to Oldenburg | 4,216.15 mi (6,785.23 km) |
| Cedar Lake to Oldenburg in Holstein | 4,266.46 mi (6,866.20 km) |
| Cedar Lake to Olfen | 4,237.77 mi (6,820.03 km) |
| Cedar Lake to Olpe | 4,279.77 mi (6,887.63 km) |
| Cedar Lake to Olsberg | 4,291.29 mi (6,906.16 km) |
| Cedar Lake to Oranienburg | 4,406.07 mi (7,090.89 km) |
| Cedar Lake to Ortenberg | 4,349.44 mi (6,999.75 km) |
