| Durham to Castelfidardo | 1,033.99 mi (1,664.05 km) |
| Durham to Castelfiorentino | 954.52 mi (1,536.15 km) |
| Durham to Castelfranco di Sopra | 968.90 mi (1,559.30 km) |
| Durham to Castelfranco di Sotto | 942.96 mi (1,517.55 km) |
| Durham to Castelfranco Emilia | 898.96 mi (1,446.74 km) |
| Durham to Castelfranco Veneto | 864.69 mi (1,391.58 km) |
| Durham to Castellabate | 1,257.36 mi (2,023.53 km) |
| Durham to Castellammare del Golfo | 1,340.77 mi (2,157.76 km) |
| Durham to Castellammare di Stabia | 1,219.87 mi (1,963.20 km) |
| Durham to Castellamonte | 767.18 mi (1,234.66 km) |
| Durham to Castellana Grotte | 1,286.86 mi (2,071.01 km) |
| Durham to Castellaneta | 1,293.97 mi (2,082.44 km) |
| Durham to Castellanza | 782.50 mi (1,259.31 km) |
| Durham to Castellarano | 893.32 mi (1,437.65 km) |
| Durham to Castelleone | 823.73 mi (1,325.67 km) |
