| Cartama to Oerlinghausen | 1,237.72 mi (1,991.91 km) |
| Cartama to Oestrich-Winkel | 1,112.75 mi (1,790.80 km) |
| Cartama to Offenburg | 1,030.69 mi (1,658.73 km) |
| Cartama to Oftersheim | 1,096.77 mi (1,765.08 km) |
| Cartama to Ohrdruf | 1,235.33 mi (1,988.08 km) |
| Cartama to Ohringen | 1,116.53 mi (1,796.89 km) |
| Cartama to Olbernhau | 1,310.39 mi (2,108.87 km) |
| Cartama to Olching | 1,131.92 mi (1,821.64 km) |
| Cartama to Oldenburg | 1,293.14 mi (2,081.11 km) |
| Cartama to Oldenburg in Holstein | 1,421.66 mi (2,287.95 km) |
| Cartama to Olfen | 1,191.81 mi (1,918.04 km) |
| Cartama to Olpe | 1,163.67 mi (1,872.75 km) |
| Cartama to Olsberg | 1,199.02 mi (1,929.64 km) |
| Cartama to Oranienburg | 1,405.28 mi (2,261.58 km) |
| Cartama to Ortenberg | 1,161.63 mi (1,869.46 km) |
