| Smithville to Collegno | 4,868.09 mi (7,834.43 km) |
| Smithville to Cologno al Serio | 4,929.23 mi (7,932.82 km) |
| Smithville to Cologno Monzese | 4,915.38 mi (7,910.54 km) |
| Smithville to Colorno | 4,983.07 mi (8,019.48 km) |
| Smithville to Comacchio | 5,061.88 mi (8,146.31 km) |
| Smithville to Comiso | 5,507.44 mi (8,863.36 km) |
| Smithville to Como | 4,896.18 mi (7,879.64 km) |
| Smithville to Concordia Sagittaria | 5,040.08 mi (8,111.23 km) |
| Smithville to Concorezzo | 4,915.02 mi (7,909.96 km) |
| Smithville to Conegliano | 5,014.25 mi (8,069.65 km) |
| Smithville to Conselice | 5,056.59 mi (8,137.79 km) |
| Smithville to Conselve | 5,026.59 mi (8,089.51 km) |
| Smithville to Conversano | 5,419.71 mi (8,722.18 km) |
| Smithville to Copertino | 5,488.50 mi (8,832.89 km) |
| Smithville to Copparo | 5,039.85 mi (8,110.86 km) |
