| Catonsville to Carmignano | 4,325.97 mi (6,961.98 km) |
| Catonsville to Carovigno | 4,728.26 mi (7,609.40 km) |
| Catonsville to Carpenedolo | 4,249.11 mi (6,838.28 km) |
| Catonsville to Carpi | 4,287.69 mi (6,900.38 km) |
| Catonsville to Carrara | 4,277.30 mi (6,883.65 km) |
| Catonsville to Carugate | 4,196.10 mi (6,752.97 km) |
| Catonsville to Casal di Principe | 4,561.48 mi (7,340.99 km) |
| Catonsville to Casale Monferrato | 4,171.73 mi (6,713.74 km) |
| Catonsville to Casale sul Sile | 4,321.98 mi (6,955.56 km) |
| Catonsville to Casalecchio di Reno | 4,314.95 mi (6,944.24 km) |
| Catonsville to Casalgrande | 4,287.92 mi (6,900.73 km) |
| Catonsville to Casalmaggiore | 4,260.85 mi (6,857.18 km) |
| Catonsville to Casalnuovo di Napoli | 4,574.72 mi (7,362.31 km) |
| Catonsville to Casalpusterlengo | 4,221.71 mi (6,794.19 km) |
| Catonsville to Casaluce | 4,565.03 mi (7,346.71 km) |
