| Cat to Oerlinghausen | 1,754.95 mi (2,824.32 km) |
| Cat to Oestrich-Winkel | 1,750.53 mi (2,817.20 km) |
| Cat to Offenburg | 1,735.36 mi (2,792.79 km) |
| Cat to Oftersheim | 1,716.49 mi (2,762.42 km) |
| Cat to Ohrdruf | 1,647.41 mi (2,651.26 km) |
| Cat to Ohringen | 1,673.74 mi (2,693.62 km) |
| Cat to Olbernhau | 1,535.71 mi (2,471.49 km) |
| Cat to Olching | 1,579.07 mi (2,541.26 km) |
| Cat to Oldenburg | 1,797.12 mi (2,892.19 km) |
| Cat to Oldenburg in Holstein | 1,723.54 mi (2,773.77 km) |
| Cat to Olfen | 1,803.25 mi (2,902.05 km) |
| Cat to Olpe | 1,772.82 mi (2,853.08 km) |
| Cat to Olsberg | 1,751.12 mi (2,818.16 km) |
| Cat to Oranienburg | 1,592.15 mi (2,562.31 km) |
| Cat to Ortenberg | 1,710.21 mi (2,752.32 km) |
