| San Roque to Oerlinghausen | 1,287.87 mi (2,072.62 km) |
| San Roque to Oestrich-Winkel | 1,163.94 mi (1,873.17 km) |
| San Roque to Offenburg | 1,082.92 mi (1,742.78 km) |
| San Roque to Oftersheim | 1,148.70 mi (1,848.65 km) |
| San Roque to Ohrdruf | 1,287.26 mi (2,071.65 km) |
| San Roque to Ohringen | 1,168.98 mi (1,881.29 km) |
| San Roque to Olbernhau | 1,363.29 mi (2,194.00 km) |
| San Roque to Olching | 1,185.48 mi (1,907.84 km) |
| San Roque to Oldenburg | 1,342.19 mi (2,160.04 km) |
| San Roque to Oldenburg in Holstein | 1,471.40 mi (2,367.99 km) |
| San Roque to Olfen | 1,241.36 mi (1,997.77 km) |
| San Roque to Olpe | 1,214.02 mi (1,953.77 km) |
| San Roque to Olsberg | 1,249.51 mi (2,010.89 km) |
| San Roque to Oranienburg | 1,456.99 mi (2,344.80 km) |
| San Roque to Ortenberg | 1,213.12 mi (1,952.33 km) |
