| Trondheim to Collegno | 1,272.82 mi (2,048.40 km) |
| Trondheim to Cologno al Serio | 1,233.36 mi (1,984.91 km) |
| Trondheim to Cologno Monzese | 1,237.61 mi (1,991.74 km) |
| Trondheim to Colorno | 1,277.98 mi (2,056.71 km) |
| Trondheim to Comacchio | 1,296.01 mi (2,085.72 km) |
| Trondheim to Comiso | 1,838.10 mi (2,958.14 km) |
| Trondheim to Como | 1,218.44 mi (1,960.90 km) |
| Trondheim to Concordia Sagittaria | 1,224.13 mi (1,970.05 km) |
| Trondheim to Concorezzo | 1,233.31 mi (1,984.83 km) |
| Trondheim to Conegliano | 1,214.35 mi (1,954.31 km) |
| Trondheim to Conselice | 1,307.99 mi (2,105.01 km) |
| Trondheim to Conselve | 1,258.57 mi (2,025.47 km) |
| Trondheim to Conversano | 1,575.93 mi (2,536.22 km) |
| Trondheim to Copertino | 1,630.76 mi (2,624.46 km) |
| Trondheim to Copparo | 1,281.52 mi (2,062.41 km) |
