| Trentham to Collegno | 700.67 mi (1,127.62 km) |
| Trentham to Cologno al Serio | 738.17 mi (1,187.97 km) |
| Trentham to Cologno Monzese | 727.49 mi (1,170.78 km) |
| Trentham to Colorno | 793.82 mi (1,277.53 km) |
| Trentham to Comacchio | 865.23 mi (1,392.45 km) |
| Trentham to Comiso | 1,370.57 mi (2,205.72 km) |
| Trentham to Como | 706.73 mi (1,137.38 km) |
| Trentham to Concordia Sagittaria | 837.15 mi (1,347.27 km) |
| Trentham to Concorezzo | 726.14 mi (1,168.61 km) |
| Trentham to Conegliano | 811.84 mi (1,306.53 km) |
| Trentham to Conselice | 862.74 mi (1,388.44 km) |
| Trentham to Conselve | 828.02 mi (1,332.56 km) |
| Trentham to Conversano | 1,224.10 mi (1,969.99 km) |
| Trentham to Copertino | 1,292.68 mi (2,080.37 km) |
| Trentham to Copparo | 843.39 mi (1,357.30 km) |
