| Catarroja to Oerlinghausen | 970.50 mi (1,561.88 km) |
| Catarroja to Oestrich-Winkel | 839.28 mi (1,350.70 km) |
| Catarroja to Offenburg | 750.19 mi (1,207.32 km) |
| Catarroja to Oftersheim | 818.04 mi (1,316.51 km) |
| Catarroja to Ohrdruf | 955.84 mi (1,538.28 km) |
| Catarroja to Ohringen | 833.99 mi (1,342.17 km) |
| Catarroja to Olbernhau | 1,024.07 mi (1,648.08 km) |
| Catarroja to Olching | 841.43 mi (1,354.15 km) |
| Catarroja to Oldenburg | 1,033.03 mi (1,662.50 km) |
| Catarroja to Oldenburg in Holstein | 1,156.00 mi (1,860.41 km) |
| Catarroja to Olfen | 929.22 mi (1,495.43 km) |
| Catarroja to Olpe | 895.73 mi (1,441.54 km) |
| Catarroja to Olsberg | 929.80 mi (1,496.37 km) |
| Catarroja to Oranienburg | 1,126.59 mi (1,813.07 km) |
| Catarroja to Ortenberg | 885.64 mi (1,425.31 km) |
