| Trentham to Cortona | 932.69 mi (1,501.03 km) |
| Trentham to Cosenza | 1,285.26 mi (2,068.43 km) |
| Trentham to Cossato | 691.05 mi (1,112.14 km) |
| Trentham to Costa Volpino | 738.75 mi (1,188.90 km) |
| Trentham to Creazzo | 800.20 mi (1,287.80 km) |
| Trentham to Crema | 748.82 mi (1,205.11 km) |
| Trentham to Cremona | 772.17 mi (1,242.68 km) |
| Trentham to Crevalcore | 829.93 mi (1,335.65 km) |
| Trentham to Crispiano | 1,247.31 mi (2,007.35 km) |
| Trentham to Crosia | 1,287.27 mi (2,071.65 km) |
| Trentham to Crotone | 1,325.15 mi (2,132.62 km) |
| Trentham to Cuneo | 739.65 mi (1,190.35 km) |
| Trentham to Cuorgne | 685.45 mi (1,103.12 km) |
| Trentham to Cusano Milanino | 723.36 mi (1,164.13 km) |
| Trentham to Cutro | 1,323.58 mi (2,130.09 km) |
