| Guymon to Castelfidardo | 5,562.88 mi (8,952.59 km) |
| Guymon to Castelfiorentino | 5,460.26 mi (8,787.44 km) |
| Guymon to Castelfranco di Sopra | 5,481.47 mi (8,821.57 km) |
| Guymon to Castelfranco di Sotto | 5,447.55 mi (8,766.98 km) |
| Guymon to Castelfranco Emilia | 5,418.37 mi (8,720.02 km) |
| Guymon to Castelfranco Veneto | 5,402.16 mi (8,693.93 km) |
| Guymon to Castellabate | 5,766.18 mi (9,279.76 km) |
| Guymon to Castellammare del Golfo | 5,791.81 mi (9,321.03 km) |
| Guymon to Castellammare di Stabia | 5,728.39 mi (9,218.95 km) |
| Guymon to Castellamonte | 5,258.24 mi (8,462.32 km) |
| Guymon to Castellana Grotte | 5,820.07 mi (9,366.49 km) |
| Guymon to Castellaneta | 5,823.62 mi (9,372.20 km) |
| Guymon to Castellanza | 5,292.69 mi (8,517.76 km) |
| Guymon to Castellarano | 5,409.68 mi (8,706.04 km) |
| Guymon to Castelleone | 5,338.96 mi (8,592.22 km) |
