| Longford to Cologno al Serio | 959.81 mi (1,544.67 km) |
| Longford to Cologno Monzese | 947.33 mi (1,524.58 km) |
| Longford to Colorno | 1,014.69 mi (1,632.99 km) |
| Longford to Comacchio | 1,090.54 mi (1,755.06 km) |
| Longford to Comiso | 1,576.37 mi (2,536.93 km) |
| Longford to Como | 927.33 mi (1,492.39 km) |
| Longford to Concordia Sagittaria | 1,067.71 mi (1,718.31 km) |
| Longford to Concorezzo | 946.51 mi (1,523.26 km) |
| Longford to Conegliano | 1,041.72 mi (1,676.49 km) |
| Longford to Conselice | 1,086.37 mi (1,748.34 km) |
| Longford to Conselve | 1,054.56 mi (1,697.15 km) |
| Longford to Conversano | 1,449.40 mi (2,332.58 km) |
| Longford to Copertino | 1,518.19 mi (2,443.29 km) |
| Longford to Copparo | 1,068.54 mi (1,719.65 km) |
| Longford to Corato | 1,414.35 mi (2,276.17 km) |
