| Kas to Orbetello | 1,072.03 mi (1,725.27 km) |
| Kas to Oria | 714.15 mi (1,149.31 km) |
| Kas to Oristano | 1,170.23 mi (1,883.30 km) |
| Kas to Orta Nova | 828.33 mi (1,333.07 km) |
| Kas to Orte | 1,015.75 mi (1,634.70 km) |
| Kas to Ortona | 917.09 mi (1,475.92 km) |
| Kas to Orvieto | 1,034.97 mi (1,665.63 km) |
| Kas to Orzinuovi | 1,205.83 mi (1,940.59 km) |
| Kas to Osimo | 991.15 mi (1,595.11 km) |
| Kas to Ospitaletto | 1,204.27 mi (1,938.08 km) |
| Kas to Ostuni | 722.44 mi (1,162.65 km) |
| Kas to Ottaviano | 878.59 mi (1,413.95 km) |
| Kas to Ovada | 1,243.43 mi (2,001.11 km) |
| Kas to Ozieri | 1,154.60 mi (1,858.15 km) |
| Kas to Paceco | 948.27 mi (1,526.10 km) |
