| Hilo to Carmignano | 7,961.54 mi (12,812.86 km) |
| Hilo to Carovigno | 8,238.45 mi (13,258.50 km) |
| Hilo to Carpenedolo | 7,850.74 mi (12,634.54 km) |
| Hilo to Carpi | 7,895.22 mi (12,706.14 km) |
| Hilo to Carrara | 7,932.27 mi (12,765.75 km) |
| Hilo to Carugate | 7,824.27 mi (12,591.95 km) |
| Hilo to Casal di Principe | 8,185.80 mi (13,173.77 km) |
| Hilo to Casale Monferrato | 7,839.80 mi (12,616.94 km) |
| Hilo to Casale sul Sile | 7,857.16 mi (12,644.87 km) |
| Hilo to Casalecchio di Reno | 7,920.17 mi (12,746.29 km) |
| Hilo to Casalgrande | 7,906.74 mi (12,724.67 km) |
| Hilo to Casalmaggiore | 7,875.86 mi (12,674.97 km) |
| Hilo to Casalnuovo di Napoli | 8,194.81 mi (13,188.28 km) |
| Hilo to Casalpusterlengo | 7,853.21 mi (12,638.51 km) |
| Hilo to Casaluce | 8,187.62 mi (13,176.71 km) |
