| Skien to Castelfidardo | 1,100.88 mi (1,771.70 km) |
| Skien to Castelfiorentino | 1,080.07 mi (1,738.21 km) |
| Skien to Castelfranco di Sopra | 1,080.12 mi (1,738.29 km) |
| Skien to Castelfranco di Sotto | 1,072.70 mi (1,726.35 km) |
| Skien to Castelfranco Emilia | 1,011.51 mi (1,627.87 km) |
| Skien to Castelfranco Veneto | 940.83 mi (1,514.11 km) |
| Skien to Castellabate | 1,328.87 mi (2,138.61 km) |
| Skien to Castellammare del Golfo | 1,470.95 mi (2,367.26 km) |
| Skien to Castellammare di Stabia | 1,296.92 mi (2,087.19 km) |
| Skien to Castellamonte | 958.36 mi (1,542.33 km) |
| Skien to Castellana Grotte | 1,308.41 mi (2,105.68 km) |
| Skien to Castellaneta | 1,322.81 mi (2,128.86 km) |
| Skien to Castellanza | 939.47 mi (1,511.92 km) |
| Skien to Castellarano | 1,012.94 mi (1,630.17 km) |
| Skien to Castelleone | 961.29 mi (1,547.04 km) |
