| Dumbarton to Castelfidardo | 1,175.85 mi (1,892.34 km) |
| Dumbarton to Castelfiorentino | 1,094.13 mi (1,760.83 km) |
| Dumbarton to Castelfranco di Sopra | 1,109.23 mi (1,785.13 km) |
| Dumbarton to Castelfranco di Sotto | 1,082.41 mi (1,741.97 km) |
| Dumbarton to Castelfranco Emilia | 1,039.72 mi (1,673.27 km) |
| Dumbarton to Castelfranco Veneto | 1,006.96 mi (1,620.55 km) |
| Dumbarton to Castellabate | 1,398.15 mi (2,250.10 km) |
| Dumbarton to Castellammare del Golfo | 1,477.29 mi (2,377.47 km) |
| Dumbarton to Castellammare di Stabia | 1,360.55 mi (2,189.59 km) |
| Dumbarton to Castellamonte | 903.98 mi (1,454.81 km) |
| Dumbarton to Castellana Grotte | 1,429.24 mi (2,300.13 km) |
| Dumbarton to Castellaneta | 1,436.16 mi (2,311.27 km) |
| Dumbarton to Castellanza | 921.79 mi (1,483.48 km) |
| Dumbarton to Castellarano | 1,033.75 mi (1,663.67 km) |
| Dumbarton to Castelleone | 963.79 mi (1,551.07 km) |
