| Hadim to Oerlinghausen | 1,551.21 mi (2,496.44 km) |
| Hadim to Oestrich-Winkel | 1,508.69 mi (2,428.00 km) |
| Hadim to Offenburg | 1,465.88 mi (2,359.11 km) |
| Hadim to Oftersheim | 1,465.67 mi (2,358.77 km) |
| Hadim to Ohrdruf | 1,433.69 mi (2,307.30 km) |
| Hadim to Ohringen | 1,423.59 mi (2,291.05 km) |
| Hadim to Olbernhau | 1,334.72 mi (2,148.03 km) |
| Hadim to Olching | 1,318.03 mi (2,121.16 km) |
| Hadim to Oldenburg | 1,611.75 mi (2,593.86 km) |
| Hadim to Oldenburg in Holstein | 1,573.45 mi (2,532.22 km) |
| Hadim to Olfen | 1,589.12 mi (2,557.44 km) |
| Hadim to Olpe | 1,548.36 mi (2,491.85 km) |
| Hadim to Olsberg | 1,535.52 mi (2,471.19 km) |
| Hadim to Oranienburg | 1,430.35 mi (2,301.93 km) |
| Hadim to Ortenberg | 1,479.34 mi (2,380.77 km) |
