| Guymon to Cervignano del Friuli | 5,445.45 mi (8,763.61 km) |
| Guymon to Cesa | 5,706.10 mi (9,183.08 km) |
| Guymon to Cesano Maderno | 5,301.23 mi (8,531.51 km) |
| Guymon to Cesena | 5,483.47 mi (8,824.79 km) |
| Guymon to Cesenatico | 5,486.21 mi (8,829.20 km) |
| Guymon to Cetraro | 5,841.59 mi (9,401.13 km) |
| Guymon to Cherasco | 5,295.84 mi (8,522.83 km) |
| Guymon to Chiampo | 5,383.77 mi (8,664.34 km) |
| Guymon to Chiaravalle | 5,548.68 mi (8,929.74 km) |
| Guymon to Chiari | 5,333.56 mi (8,583.53 km) |
| Guymon to Chiavari | 5,366.31 mi (8,636.24 km) |
| Guymon to Chieri | 5,278.36 mi (8,494.70 km) |
| Guymon to Chieti | 5,638.23 mi (9,073.86 km) |
| Guymon to Chioggia | 5,435.15 mi (8,747.04 km) |
| Guymon to Chiusi | 5,524.00 mi (8,890.01 km) |
