| Smithville to Chivasso | 4,875.69 mi (7,846.66 km) |
| Smithville to Ciampino | 5,206.34 mi (8,378.79 km) |
| Smithville to Cicciano | 5,319.80 mi (8,561.39 km) |
| Smithville to Cingoli | 5,160.31 mi (8,304.72 km) |
| Smithville to Cinisello Balsamo | 4,912.12 mi (7,905.29 km) |
| Smithville to Cinisi | 5,390.18 mi (8,674.66 km) |
| Smithville to Cirie | 4,862.67 mi (7,825.70 km) |
| Smithville to Ciro Marina | 5,495.38 mi (8,843.97 km) |
| Smithville to Cislago | 4,898.32 mi (7,883.08 km) |
| Smithville to Cisterna di Latina | 5,224.67 mi (8,408.30 km) |
| Smithville to Cisternino | 5,442.81 mi (8,759.36 km) |
| Smithville to Citta di Castello | 5,118.73 mi (8,237.80 km) |
| Smithville to Citta Sant'Angelo | 5,230.53 mi (8,417.73 km) |
| Smithville to Cittadella | 5,005.32 mi (8,055.28 km) |
| Smithville to Cittanova | 5,502.15 mi (8,854.85 km) |
