| Whitehall to Oerlinghausen | 4,176.68 mi (6,721.71 km) |
| Whitehall to Oestrich-Winkel | 4,216.17 mi (6,785.26 km) |
| Whitehall to Offenburg | 4,265.20 mi (6,864.18 km) |
| Whitehall to Oftersheim | 4,260.18 mi (6,856.10 km) |
| Whitehall to Ohrdruf | 4,292.79 mi (6,908.58 km) |
| Whitehall to Ohringen | 4,301.84 mi (6,923.14 km) |
| Whitehall to Olbernhau | 4,396.05 mi (7,074.76 km) |
| Whitehall to Olching | 4,408.38 mi (7,094.61 km) |
| Whitehall to Oldenburg | 4,121.88 mi (6,633.52 km) |
| Whitehall to Oldenburg in Holstein | 4,180.83 mi (6,728.40 km) |
| Whitehall to Olfen | 4,136.37 mi (6,656.84 km) |
| Whitehall to Olpe | 4,176.17 mi (6,720.90 km) |
| Whitehall to Olsberg | 4,190.01 mi (6,743.17 km) |
| Whitehall to Oranienburg | 4,317.66 mi (6,948.61 km) |
| Whitehall to Ortenberg | 4,245.04 mi (6,831.73 km) |
