| Don Benito to Oerlinghausen | 1,137.50 mi (1,830.64 km) |
| Don Benito to Oestrich-Winkel | 1,021.12 mi (1,643.33 km) |
| Don Benito to Offenburg | 949.44 mi (1,527.98 km) |
| Don Benito to Oftersheim | 1,011.89 mi (1,628.48 km) |
| Don Benito to Ohrdruf | 1,149.40 mi (1,849.78 km) |
| Don Benito to Ohringen | 1,036.79 mi (1,668.55 km) |
| Don Benito to Olbernhau | 1,234.41 mi (1,986.60 km) |
| Don Benito to Olching | 1,067.15 mi (1,717.41 km) |
| Don Benito to Oldenburg | 1,185.62 mi (1,908.07 km) |
| Don Benito to Oldenburg in Holstein | 1,317.79 mi (2,120.77 km) |
| Don Benito to Olfen | 1,087.87 mi (1,750.75 km) |
| Don Benito to Olpe | 1,065.27 mi (1,714.38 km) |
| Don Benito to Olsberg | 1,101.40 mi (1,772.53 km) |
| Don Benito to Oranienburg | 1,316.30 mi (2,118.38 km) |
| Don Benito to Ortenberg | 1,072.19 mi (1,725.53 km) |
