| Piraziz to Oerlinghausen | 1,581.02 mi (2,544.41 km) |
| Piraziz to Oestrich-Winkel | 1,575.15 mi (2,534.96 km) |
| Piraziz to Offenburg | 1,559.75 mi (2,510.17 km) |
| Piraziz to Oftersheim | 1,540.94 mi (2,479.90 km) |
| Piraziz to Ohrdruf | 1,472.80 mi (2,370.24 km) |
| Piraziz to Ohringen | 1,498.18 mi (2,411.09 km) |
| Piraziz to Olbernhau | 1,361.44 mi (2,191.02 km) |
| Piraziz to Olching | 1,403.45 mi (2,258.63 km) |
| Piraziz to Oldenburg | 1,624.43 mi (2,614.26 km) |
| Piraziz to Oldenburg in Holstein | 1,553.52 mi (2,500.15 km) |
| Piraziz to Olfen | 1,628.89 mi (2,621.44 km) |
| Piraziz to Olpe | 1,597.98 mi (2,571.70 km) |
| Piraziz to Olsberg | 1,576.61 mi (2,537.30 km) |
| Piraziz to Oranienburg | 1,420.60 mi (2,286.24 km) |
| Piraziz to Ortenberg | 1,535.08 mi (2,470.47 km) |
