| Skien to Castelletto sopra Ticino | 932.95 mi (1,501.43 km) |
| Skien to Castelli Calepio | 938.04 mi (1,509.63 km) |
| Skien to Castelnovo ne' Monti | 1,021.46 mi (1,643.88 km) |
| Skien to Castelnuovo Berardenga | 1,098.99 mi (1,768.66 km) |
| Skien to Castelnuovo di Porto | 1,186.51 mi (1,909.50 km) |
| Skien to Castelnuovo di Verona | 953.09 mi (1,533.84 km) |
| Skien to Castelnuovo Rangone | 1,014.43 mi (1,632.57 km) |
| Skien to Castelvetrano | 1,494.19 mi (2,404.67 km) |
| Skien to Castelvetro di Modena | 1,017.92 mi (1,638.19 km) |
| Skien to Castenaso | 1,018.75 mi (1,639.51 km) |
| Skien to Castenedolo | 949.69 mi (1,528.37 km) |
| Skien to Castiglion Fiorentino | 1,100.70 mi (1,771.40 km) |
| Skien to Castiglione del Lago | 1,115.35 mi (1,794.98 km) |
| Skien to Castiglione delle Stiviere | 954.86 mi (1,536.70 km) |
| Skien to Castrolibero | 1,405.01 mi (2,261.15 km) |
