| Whitewater to Oerlinghausen | 4,248.40 mi (6,837.15 km) |
| Whitewater to Oestrich-Winkel | 4,301.23 mi (6,922.16 km) |
| Whitewater to Offenburg | 4,359.43 mi (7,015.83 km) |
| Whitewater to Oftersheim | 4,347.56 mi (6,996.72 km) |
| Whitewater to Ohrdruf | 4,366.48 mi (7,027.17 km) |
| Whitewater to Ohringen | 4,387.98 mi (7,061.77 km) |
| Whitewater to Olbernhau | 4,464.33 mi (7,184.65 km) |
| Whitewater to Olching | 4,495.67 mi (7,235.09 km) |
| Whitewater to Oldenburg | 4,187.41 mi (6,738.98 km) |
| Whitewater to Oldenburg in Holstein | 4,233.45 mi (6,813.07 km) |
| Whitewater to Olfen | 4,212.51 mi (6,779.38 km) |
| Whitewater to Olpe | 4,255.54 mi (6,848.63 km) |
| Whitewater to Olsberg | 4,265.88 mi (6,865.27 km) |
| Whitewater to Oranienburg | 4,374.16 mi (7,039.53 km) |
| Whitewater to Ortenberg | 4,325.50 mi (6,961.22 km) |
