| Galveston to Castelletto sopra Ticino | 5,391.68 mi (8,677.08 km) |
| Galveston to Castelli Calepio | 5,447.40 mi (8,766.74 km) |
| Galveston to Castelnovo ne' Monti | 5,510.98 mi (8,869.07 km) |
| Galveston to Castelnuovo Berardenga | 5,597.16 mi (9,007.76 km) |
| Galveston to Castelnuovo di Porto | 5,684.80 mi (9,148.80 km) |
| Galveston to Castelnuovo di Verona | 5,490.47 mi (8,836.06 km) |
| Galveston to Castelnuovo Rangone | 5,529.23 mi (8,898.43 km) |
| Galveston to Castelvetrano | 5,865.92 mi (9,440.28 km) |
| Galveston to Castelvetro di Modena | 5,531.74 mi (8,902.47 km) |
| Galveston to Castenaso | 5,553.20 mi (8,937.02 km) |
| Galveston to Castenedolo | 5,469.65 mi (8,802.54 km) |
| Galveston to Castiglion Fiorentino | 5,614.91 mi (9,036.33 km) |
| Galveston to Castiglione del Lago | 5,627.99 mi (9,057.37 km) |
| Galveston to Castiglione delle Stiviere | 5,480.60 mi (8,820.17 km) |
| Galveston to Castrolibero | 5,954.28 mi (9,582.49 km) |
