| Trowbridge to Collegno | 622.65 mi (1,002.05 km) |
| Trowbridge to Cologno al Serio | 673.12 mi (1,083.29 km) |
| Trowbridge to Cologno Monzese | 660.17 mi (1,062.45 km) |
| Trowbridge to Colorno | 727.69 mi (1,171.10 km) |
| Trowbridge to Comacchio | 805.06 mi (1,295.62 km) |
| Trowbridge to Comiso | 1,289.99 mi (2,076.04 km) |
| Trowbridge to Como | 640.40 mi (1,030.63 km) |
| Trowbridge to Concordia Sagittaria | 786.35 mi (1,265.50 km) |
| Trowbridge to Concorezzo | 659.49 mi (1,061.34 km) |
| Trowbridge to Conegliano | 759.75 mi (1,222.71 km) |
| Trowbridge to Conselice | 800.13 mi (1,287.69 km) |
| Trowbridge to Conselve | 769.86 mi (1,238.97 km) |
| Trowbridge to Conversano | 1,163.36 mi (1,872.24 km) |
| Trowbridge to Copertino | 1,232.17 mi (1,982.99 km) |
| Trowbridge to Copparo | 783.03 mi (1,260.17 km) |
