| North Decatur to Collegno | 4,697.05 mi (7,559.17 km) |
| North Decatur to Cologno al Serio | 4,773.37 mi (7,682.00 km) |
| North Decatur to Cologno Monzese | 4,756.99 mi (7,655.63 km) |
| North Decatur to Colorno | 4,823.70 mi (7,763.00 km) |
| North Decatur to Comacchio | 4,908.86 mi (7,900.04 km) |
| North Decatur to Comiso | 5,292.10 mi (8,516.81 km) |
| North Decatur to Como | 4,739.85 mi (7,628.06 km) |
| North Decatur to Concordia Sagittaria | 4,901.17 mi (7,887.67 km) |
| North Decatur to Concorezzo | 4,757.53 mi (7,656.51 km) |
| North Decatur to Conegliano | 4,873.88 mi (7,843.76 km) |
| North Decatur to Conselice | 4,899.98 mi (7,885.75 km) |
| North Decatur to Conselve | 4,877.44 mi (7,849.49 km) |
| North Decatur to Conversano | 5,256.01 mi (8,458.73 km) |
| North Decatur to Copertino | 5,323.47 mi (8,567.30 km) |
| North Decatur to Copparo | 4,887.14 mi (7,865.10 km) |
