| Waterville to Oerlinghausen | 3,462.17 mi (5,571.83 km) |
| Waterville to Oestrich-Winkel | 3,493.53 mi (5,622.30 km) |
| Waterville to Offenburg | 3,537.59 mi (5,693.19 km) |
| Waterville to Oftersheim | 3,536.10 mi (5,690.81 km) |
| Waterville to Ohrdruf | 3,576.44 mi (5,755.73 km) |
| Waterville to Ohringen | 3,578.25 mi (5,758.64 km) |
| Waterville to Olbernhau | 3,682.58 mi (5,926.53 km) |
| Waterville to Olching | 3,683.76 mi (5,928.44 km) |
| Waterville to Oldenburg | 3,411.77 mi (5,490.71 km) |
| Waterville to Oldenburg in Holstein | 3,479.56 mi (5,599.81 km) |
| Waterville to Olfen | 3,419.32 mi (5,502.87 km) |
| Waterville to Olpe | 3,456.98 mi (5,563.47 km) |
| Waterville to Olsberg | 3,472.85 mi (5,589.01 km) |
| Waterville to Oranienburg | 3,612.63 mi (5,813.97 km) |
| Waterville to Ortenberg | 3,524.88 mi (5,672.74 km) |
