| Cuellar to Oerlinghausen | 951.80 mi (1,531.78 km) |
| Cuellar to Oestrich-Winkel | 838.23 mi (1,348.99 km) |
| Cuellar to Offenburg | 771.15 mi (1,241.05 km) |
| Cuellar to Oftersheim | 831.60 mi (1,338.33 km) |
| Cuellar to Ohrdruf | 968.04 mi (1,557.91 km) |
| Cuellar to Ohringen | 858.56 mi (1,381.72 km) |
| Cuellar to Olbernhau | 1,056.80 mi (1,700.75 km) |
| Cuellar to Olching | 896.30 mi (1,442.45 km) |
| Cuellar to Oldenburg | 998.51 mi (1,606.95 km) |
| Cuellar to Oldenburg in Holstein | 1,131.11 mi (1,820.34 km) |
| Cuellar to Olfen | 901.46 mi (1,450.76 km) |
| Cuellar to Olpe | 880.17 mi (1,416.50 km) |
| Cuellar to Olsberg | 916.42 mi (1,474.84 km) |
| Cuellar to Oranienburg | 1,133.34 mi (1,823.94 km) |
| Cuellar to Ortenberg | 889.86 mi (1,432.09 km) |
