| Thornbury to Caguas (Puerto Rico) | 4,107.64 mi (6,610.62 km) |
| Thornbury to Cahokia (Illinois) | 4,106.66 mi (6,609.04 km) |
| Thornbury to Calabasas (California) | 5,367.21 mi (8,637.68 km) |
| Thornbury to Caldwell (Idaho) | 4,772.29 mi (7,680.25 km) |
| Thornbury to Caledonia (Wisconsin) | 3,819.99 mi (6,147.69 km) |
| Thornbury to Calera (Alabama) | 4,233.26 mi (6,812.78 km) |
| Thornbury to Calexico (California) | 5,343.16 mi (8,598.99 km) |
| Thornbury to Calhoun (Georgia) | 4,093.20 mi (6,587.36 km) |
| Thornbury to California (Maryland) | 3,569.33 mi (5,744.28 km) |
| Thornbury to California City (California) | 5,283.48 mi (8,502.95 km) |
| Thornbury to Callaway (Florida) | 4,332.14 mi (6,971.90 km) |
| Thornbury to Calumet City (Illinois) | 3,861.65 mi (6,214.72 km) |
| Thornbury to Calverton (Maryland) | 3,554.03 mi (5,719.66 km) |
| Thornbury to Camano (Washington) | 4,686.00 mi (7,541.38 km) |
| Thornbury to Camarillo (California) | 5,374.18 mi (8,648.90 km) |
