| Cadaval to Oerlinghausen | 1,223.16 mi (1,968.48 km) |
| Cadaval to Oestrich-Winkel | 1,118.00 mi (1,799.25 km) |
| Cadaval to Offenburg | 1,057.78 mi (1,702.33 km) |
| Cadaval to Oftersheim | 1,115.62 mi (1,795.42 km) |
| Cadaval to Ohrdruf | 1,249.85 mi (2,011.44 km) |
| Cadaval to Ohringen | 1,144.87 mi (1,842.48 km) |
| Cadaval to Olbernhau | 1,343.03 mi (2,161.39 km) |
| Cadaval to Olching | 1,187.49 mi (1,911.08 km) |
| Cadaval to Oldenburg | 1,261.95 mi (2,030.91 km) |
| Cadaval to Oldenburg in Holstein | 1,396.63 mi (2,247.67 km) |
| Cadaval to Olfen | 1,170.09 mi (1,883.07 km) |
| Cadaval to Olpe | 1,154.16 mi (1,857.45 km) |
| Cadaval to Olsberg | 1,190.53 mi (1,915.97 km) |
| Cadaval to Oranienburg | 1,411.48 mi (2,271.56 km) |
| Cadaval to Ortenberg | 1,170.40 mi (1,883.57 km) |
