| Smithville to Cortona | 5,117.01 mi (8,235.02 km) |
| Smithville to Cosenza | 5,464.27 mi (8,793.89 km) |
| Smithville to Cossato | 4,870.96 mi (7,839.05 km) |
| Smithville to Costa Volpino | 4,933.95 mi (7,940.43 km) |
| Smithville to Creazzo | 4,999.09 mi (8,045.25 km) |
| Smithville to Crema | 4,937.76 mi (7,946.55 km) |
| Smithville to Cremona | 4,961.10 mi (7,984.12 km) |
| Smithville to Crevalcore | 5,021.78 mi (8,081.78 km) |
| Smithville to Crispiano | 5,441.43 mi (8,757.14 km) |
| Smithville to Crosia | 5,472.00 mi (8,806.33 km) |
| Smithville to Crotone | 5,508.46 mi (8,865.01 km) |
| Smithville to Cuneo | 4,895.94 mi (7,879.26 km) |
| Smithville to Cuorgne | 4,858.22 mi (7,818.56 km) |
| Smithville to Cusano Milanino | 4,910.83 mi (7,903.23 km) |
| Smithville to Cutro | 5,505.59 mi (8,860.39 km) |
