| Pilas to Oerlinghausen | 1,246.97 mi (2,006.80 km) |
| Pilas to Oestrich-Winkel | 1,127.68 mi (1,814.83 km) |
| Pilas to Offenburg | 1,052.19 mi (1,693.33 km) |
| Pilas to Oftersheim | 1,116.10 mi (1,796.20 km) |
| Pilas to Ohrdruf | 1,254.26 mi (2,018.54 km) |
| Pilas to Ohringen | 1,139.19 mi (1,833.35 km) |
| Pilas to Olbernhau | 1,335.79 mi (2,149.75 km) |
| Pilas to Olching | 1,163.72 mi (1,872.83 km) |
| Pilas to Oldenburg | 1,297.18 mi (2,087.61 km) |
| Pilas to Oldenburg in Holstein | 1,428.51 mi (2,298.96 km) |
| Pilas to Olfen | 1,198.34 mi (1,928.53 km) |
| Pilas to Olpe | 1,174.07 mi (1,889.49 km) |
| Pilas to Olsberg | 1,210.03 mi (1,947.35 km) |
| Pilas to Oranienburg | 1,422.45 mi (2,289.22 km) |
| Pilas to Ortenberg | 1,178.12 mi (1,896.00 km) |
