| Kas to Oerlinghausen | 1,495.90 mi (2,407.42 km) |
| Kas to Oestrich-Winkel | 1,439.74 mi (2,317.03 km) |
| Kas to Offenburg | 1,387.03 mi (2,232.21 km) |
| Kas to Oftersheim | 1,394.12 mi (2,243.61 km) |
| Kas to Ohrdruf | 1,377.16 mi (2,216.33 km) |
| Kas to Ohringen | 1,353.20 mi (2,177.76 km) |
| Kas to Olbernhau | 1,285.61 mi (2,068.99 km) |
| Kas to Olching | 1,245.79 mi (2,004.90 km) |
| Kas to Oldenburg | 1,562.07 mi (2,513.91 km) |
| Kas to Oldenburg in Holstein | 1,537.53 mi (2,474.41 km) |
| Kas to Olfen | 1,529.15 mi (2,460.92 km) |
| Kas to Olpe | 1,485.27 mi (2,390.32 km) |
| Kas to Olsberg | 1,476.05 mi (2,375.48 km) |
| Kas to Oranienburg | 1,393.50 mi (2,242.62 km) |
| Kas to Ortenberg | 1,415.21 mi (2,277.56 km) |
