| Gelnhausen to Carovigno | 773.85 mi (1,245.38 km) |
| Gelnhausen to Carpenedolo | 339.15 mi (545.81 km) |
| Gelnhausen to Carpi | 382.71 mi (615.92 km) |
| Gelnhausen to Carrara | 425.17 mi (684.24 km) |
| Gelnhausen to Carugate | 321.38 mi (517.21 km) |
| Gelnhausen to Casal di Principe | 678.01 mi (1,091.15 km) |
| Gelnhausen to Casale Monferrato | 351.56 mi (565.78 km) |
| Gelnhausen to Casale sul Sile | 349.96 mi (563.21 km) |
| Gelnhausen to Casalecchio di Reno | 407.18 mi (655.29 km) |
| Gelnhausen to Casalgrande | 394.91 mi (635.54 km) |
| Gelnhausen to Casalmaggiore | 364.91 mi (587.27 km) |
| Gelnhausen to Casalnuovo di Napoli | 688.26 mi (1,107.65 km) |
| Gelnhausen to Casalpusterlengo | 347.73 mi (559.61 km) |
| Gelnhausen to Casaluce | 680.24 mi (1,094.73 km) |
| Gelnhausen to Casamassima | 739.99 mi (1,190.90 km) |
