| Leon Valley to Oerlinghausen | 5,305.75 mi (8,538.79 km) |
| Leon Valley to Oestrich-Winkel | 5,351.67 mi (8,612.68 km) |
| Leon Valley to Offenburg | 5,404.33 mi (8,697.43 km) |
| Leon Valley to Oftersheim | 5,396.70 mi (8,685.15 km) |
| Leon Valley to Ohrdruf | 5,423.04 mi (8,727.55 km) |
| Leon Valley to Ohringen | 5,437.90 mi (8,751.46 km) |
| Leon Valley to Olbernhau | 5,523.54 mi (8,889.27 km) |
| Leon Valley to Olching | 5,545.05 mi (8,923.89 km) |
| Leon Valley to Oldenburg | 5,247.45 mi (8,444.96 km) |
| Leon Valley to Oldenburg in Holstein | 5,298.41 mi (8,526.96 km) |
| Leon Valley to Olfen | 5,267.66 mi (8,477.47 km) |
| Leon Valley to Olpe | 5,309.07 mi (8,544.12 km) |
| Leon Valley to Olsberg | 5,321.23 mi (8,563.70 km) |
| Leon Valley to Oranienburg | 5,437.96 mi (8,751.56 km) |
| Leon Valley to Ortenberg | 5,378.53 mi (8,655.91 km) |
