| Thornbury to Cortona | 886.83 mi (1,427.21 km) |
| Thornbury to Cosenza | 1,238.76 mi (1,993.59 km) |
| Thornbury to Cossato | 641.57 mi (1,032.51 km) |
| Thornbury to Costa Volpino | 698.88 mi (1,124.74 km) |
| Thornbury to Creazzo | 763.79 mi (1,229.21 km) |
| Thornbury to Crema | 704.58 mi (1,133.91 km) |
| Thornbury to Cremona | 728.02 mi (1,171.64 km) |
| Thornbury to Crevalcore | 787.82 mi (1,267.88 km) |
| Thornbury to Crispiano | 1,207.56 mi (1,943.38 km) |
| Thornbury to Crosia | 1,242.98 mi (2,000.38 km) |
| Thornbury to Crotone | 1,280.41 mi (2,060.62 km) |
| Thornbury to Cuneo | 681.62 mi (1,096.96 km) |
| Thornbury to Cuorgne | 632.71 mi (1,018.25 km) |
| Thornbury to Cusano Milanino | 678.12 mi (1,091.33 km) |
| Thornbury to Cutro | 1,278.33 mi (2,057.27 km) |