| Gujan-Mestras to Castelfiorentino | 600.61 mi (966.58 km) |
| Gujan-Mestras to Castelfranco di Sopra | 629.36 mi (1,012.86 km) |
| Gujan-Mestras to Castelfranco di Sotto | 588.68 mi (947.38 km) |
| Gujan-Mestras to Castelfranco Emilia | 595.52 mi (958.40 km) |
| Gujan-Mestras to Castelfranco Veneto | 636.72 mi (1,024.71 km) |
| Gujan-Mestras to Castellabate | 868.54 mi (1,397.79 km) |
| Gujan-Mestras to Castellammare del Golfo | 853.90 mi (1,374.22 km) |
| Gujan-Mestras to Castellammare di Stabia | 833.93 mi (1,342.08 km) |
| Gujan-Mestras to Castellamonte | 431.69 mi (694.74 km) |
| Gujan-Mestras to Castellana Grotte | 958.31 mi (1,542.25 km) |
| Gujan-Mestras to Castellaneta | 953.56 mi (1,534.60 km) |
| Gujan-Mestras to Castellanza | 490.23 mi (788.95 km) |
| Gujan-Mestras to Castellarano | 582.47 mi (937.39 km) |
| Gujan-Mestras to Castelleone | 530.86 mi (854.34 km) |
| Gujan-Mestras to Castelletto sopra Ticino | 478.00 mi (769.26 km) |
