| Eruh to Oerlinghausen | 1,888.23 mi (3,038.82 km) |
| Eruh to Oestrich-Winkel | 1,879.09 mi (3,024.10 km) |
| Eruh to Offenburg | 1,859.80 mi (2,993.05 km) |
| Eruh to Oftersheim | 1,843.63 mi (2,967.04 km) |
| Eruh to Ohrdruf | 1,779.09 mi (2,863.16 km) |
| Eruh to Ohringen | 1,800.78 mi (2,898.07 km) |
| Eruh to Olbernhau | 1,668.30 mi (2,684.88 km) |
| Eruh to Olching | 1,703.99 mi (2,742.30 km) |
| Eruh to Oldenburg | 1,932.49 mi (3,110.04 km) |
| Eruh to Oldenburg in Holstein | 1,861.80 mi (2,996.28 km) |
| Eruh to Olfen | 1,935.54 mi (3,114.94 km) |
| Eruh to Olpe | 1,903.74 mi (3,063.77 km) |
| Eruh to Olsberg | 1,883.03 mi (3,030.44 km) |
| Eruh to Oranienburg | 1,728.95 mi (2,782.48 km) |
| Eruh to Ortenberg | 1,840.05 mi (2,961.27 km) |
