| North Valley to Oerlinghausen | 5,264.70 mi (8,472.71 km) |
| North Valley to Oestrich-Winkel | 5,330.67 mi (8,578.89 km) |
| North Valley to Offenburg | 5,397.12 mi (8,685.82 km) |
| North Valley to Oftersheim | 5,378.82 mi (8,656.37 km) |
| North Valley to Ohrdruf | 5,383.52 mi (8,663.94 km) |
| North Valley to Ohringen | 5,417.63 mi (8,718.83 km) |
| North Valley to Olbernhau | 5,474.31 mi (8,810.05 km) |
| North Valley to Olching | 5,525.41 mi (8,892.29 km) |
| North Valley to Oldenburg | 5,197.69 mi (8,364.88 km) |
| North Valley to Oldenburg in Holstein | 5,228.29 mi (8,414.11 km) |
| North Valley to Olfen | 5,233.85 mi (8,423.07 km) |
| North Valley to Olpe | 5,279.74 mi (8,496.92 km) |
| North Valley to Olsberg | 5,286.35 mi (8,507.56 km) |
| North Valley to Oranienburg | 5,371.69 mi (8,644.91 km) |
| North Valley to Ortenberg | 5,350.07 mi (8,610.10 km) |
