| Mount Washington to Castelfidardo | 4,872.35 mi (7,841.28 km) |
| Mount Washington to Castelfiorentino | 4,759.66 mi (7,659.93 km) |
| Mount Washington to Castelfranco di Sopra | 4,783.54 mi (7,698.37 km) |
| Mount Washington to Castelfranco di Sotto | 4,746.81 mi (7,639.25 km) |
| Mount Washington to Castelfranco Emilia | 4,725.89 mi (7,605.58 km) |
| Mount Washington to Castelfranco Veneto | 4,721.95 mi (7,599.25 km) |
| Mount Washington to Castellabate | 5,058.42 mi (8,140.75 km) |
| Mount Washington to Castellammare del Golfo | 5,059.34 mi (8,142.22 km) |
| Mount Washington to Castellammare di Stabia | 5,021.47 mi (8,081.28 km) |
| Mount Washington to Castellamonte | 4,558.47 mi (7,336.15 km) |
| Mount Washington to Castellana Grotte | 5,126.94 mi (8,251.01 km) |
| Mount Washington to Castellaneta | 5,127.58 mi (8,252.04 km) |
| Mount Washington to Castellanza | 4,599.52 mi (7,402.22 km) |
| Mount Washington to Castellarano | 4,715.84 mi (7,589.41 km) |
| Mount Washington to Castelleone | 4,646.69 mi (7,478.12 km) |
