| Hopa to Oerlinghausen | 1,696.96 mi (2,731.00 km) |
| Hopa to Oestrich-Winkel | 1,701.95 mi (2,739.02 km) |
| Hopa to Offenburg | 1,694.16 mi (2,726.48 km) |
| Hopa to Oftersheim | 1,670.62 mi (2,688.60 km) |
| Hopa to Ohrdruf | 1,593.16 mi (2,563.95 km) |
| Hopa to Ohringen | 1,628.24 mi (2,620.40 km) |
| Hopa to Olbernhau | 1,480.00 mi (2,381.83 km) |
| Hopa to Olching | 1,537.72 mi (2,474.72 km) |
| Hopa to Oldenburg | 1,734.37 mi (2,791.20 km) |
| Hopa to Oldenburg in Holstein | 1,653.75 mi (2,661.45 km) |
| Hopa to Olfen | 1,747.20 mi (2,811.85 km) |
| Hopa to Olpe | 1,719.63 mi (2,767.49 km) |
| Hopa to Olsberg | 1,696.03 mi (2,729.49 km) |
| Hopa to Oranienburg | 1,526.58 mi (2,456.79 km) |
| Hopa to Ortenberg | 1,659.37 mi (2,670.49 km) |
