| Langley Park to Cervignano del Friuli | 4,378.31 mi (7,046.21 km) |
| Langley Park to Cesa | 4,589.01 mi (7,385.30 km) |
| Langley Park to Cesano Maderno | 4,207.10 mi (6,770.67 km) |
| Langley Park to Cesena | 4,389.61 mi (7,064.39 km) |
| Langley Park to Cesenatico | 4,393.96 mi (7,071.40 km) |
| Langley Park to Cetraro | 4,719.94 mi (7,596.01 km) |
| Langley Park to Cherasco | 4,182.84 mi (6,731.63 km) |
| Langley Park to Chiampo | 4,300.96 mi (6,921.73 km) |
| Langley Park to Chiaravalle | 4,455.21 mi (7,169.97 km) |
| Langley Park to Chiari | 4,242.26 mi (6,827.26 km) |
| Langley Park to Chiavari | 4,257.55 mi (6,851.87 km) |
| Langley Park to Chieri | 4,169.44 mi (6,710.06 km) |
| Langley Park to Chieti | 4,535.81 mi (7,299.67 km) |
| Langley Park to Chioggia | 4,354.29 mi (7,007.55 km) |
| Langley Park to Chiusi | 4,415.50 mi (7,106.07 km) |
