| Reston to Chivasso | 4,184.17 mi (6,733.77 km) |
| Reston to Ciampino | 4,504.44 mi (7,249.20 km) |
| Reston to Cicciano | 4,619.97 mi (7,435.12 km) |
| Reston to Cingoli | 4,475.80 mi (7,203.10 km) |
| Reston to Cinisello Balsamo | 4,230.05 mi (6,807.61 km) |
| Reston to Cinisi | 4,659.41 mi (7,498.60 km) |
| Reston to Cirie | 4,170.34 mi (6,711.52 km) |
| Reston to Ciro Marina | 4,795.01 mi (7,716.81 km) |
| Reston to Cislago | 4,216.14 mi (6,785.22 km) |
| Reston to Cisterna di Latina | 4,522.00 mi (7,277.46 km) |
| Reston to Cisternino | 4,755.80 mi (7,653.73 km) |
| Reston to Citta di Castello | 4,430.42 mi (7,130.06 km) |
| Reston to Citta Sant'Angelo | 4,542.23 mi (7,310.01 km) |
| Reston to Cittadella | 4,335.99 mi (6,978.09 km) |
| Reston to Cittanova | 4,787.79 mi (7,705.20 km) |
