| Pearl to Oerlinghausen | 4,839.79 mi (7,788.88 km) |
| Pearl to Oestrich-Winkel | 4,876.43 mi (7,847.86 km) |
| Pearl to Offenburg | 4,922.91 mi (7,922.67 km) |
| Pearl to Oftersheim | 4,919.80 mi (7,917.65 km) |
| Pearl to Ohrdruf | 4,955.42 mi (7,974.97 km) |
| Pearl to Ohringen | 4,961.70 mi (7,985.08 km) |
| Pearl to Olbernhau | 5,059.52 mi (8,142.52 km) |
| Pearl to Olching | 5,067.78 mi (8,155.81 km) |
| Pearl to Oldenburg | 4,786.02 mi (7,702.36 km) |
| Pearl to Oldenburg in Holstein | 4,846.38 mi (7,799.49 km) |
| Pearl to Olfen | 4,798.71 mi (7,722.78 km) |
| Pearl to Olpe | 4,837.80 mi (7,785.68 km) |
| Pearl to Olsberg | 4,852.33 mi (7,809.08 km) |
| Pearl to Oranienburg | 4,982.78 mi (8,019.01 km) |
| Pearl to Ortenberg | 4,906.33 mi (7,895.98 km) |
