| Pierre to Oerlinghausen | 4,556.59 mi (7,333.12 km) |
| Pierre to Oestrich-Winkel | 4,626.75 mi (7,446.04 km) |
| Pierre to Offenburg | 4,696.40 mi (7,558.13 km) |
| Pierre to Oftersheim | 4,675.47 mi (7,524.44 km) |
| Pierre to Ohrdruf | 4,675.37 mi (7,524.28 km) |
| Pierre to Ohringen | 4,713.57 mi (7,585.76 km) |
| Pierre to Olbernhau | 4,764.08 mi (7,667.05 km) |
| Pierre to Olching | 4,821.12 mi (7,758.84 km) |
| Pierre to Oldenburg | 4,488.10 mi (7,222.89 km) |
| Pierre to Oldenburg in Holstein | 4,515.27 mi (7,266.62 km) |
| Pierre to Olfen | 4,527.36 mi (7,286.08 km) |
| Pierre to Olpe | 4,574.07 mi (7,361.26 km) |
| Pierre to Olsberg | 4,579.45 mi (7,369.92 km) |
| Pierre to Oranienburg | 4,658.94 mi (7,497.84 km) |
| Pierre to Ortenberg | 4,644.36 mi (7,474.37 km) |
