| Normal to Oerlinghausen | 4,373.35 mi (7,038.22 km) |
| Normal to Oestrich-Winkel | 4,422.39 mi (7,117.14 km) |
| Normal to Offenburg | 4,477.89 mi (7,206.47 km) |
| Normal to Oftersheim | 4,468.08 mi (7,190.68 km) |
| Normal to Ohrdruf | 4,490.99 mi (7,227.56 km) |
| Normal to Ohringen | 4,508.91 mi (7,256.39 km) |
| Normal to Olbernhau | 4,590.45 mi (7,387.62 km) |
| Normal to Olching | 4,616.37 mi (7,429.33 km) |
| Normal to Oldenburg | 4,314.00 mi (6,942.71 km) |
| Normal to Oldenburg in Holstein | 4,363.53 mi (7,022.43 km) |
| Normal to Olfen | 4,336.16 mi (6,978.38 km) |
| Normal to Olpe | 4,378.31 mi (7,046.21 km) |
| Normal to Olsberg | 4,389.67 mi (7,064.48 km) |
| Normal to Oranienburg | 4,503.38 mi (7,247.48 km) |
| Normal to Ortenberg | 4,448.03 mi (7,158.41 km) |
