| Fort Thomas to Collegno | 4,471.88 mi (7,196.80 km) |
| Fort Thomas to Cologno al Serio | 4,541.90 mi (7,309.48 km) |
| Fort Thomas to Cologno Monzese | 4,526.54 mi (7,284.77 km) |
| Fort Thomas to Colorno | 4,593.94 mi (7,393.24 km) |
| Fort Thomas to Comacchio | 4,676.70 mi (7,526.42 km) |
| Fort Thomas to Comiso | 5,089.36 mi (8,190.54 km) |
| Fort Thomas to Como | 4,508.45 mi (7,255.65 km) |
| Fort Thomas to Concordia Sagittaria | 4,663.02 mi (7,504.40 km) |
| Fort Thomas to Concorezzo | 4,526.70 mi (7,285.02 km) |
| Fort Thomas to Conegliano | 4,636.23 mi (7,461.29 km) |
| Fort Thomas to Conselice | 4,669.33 mi (7,514.56 km) |
| Fort Thomas to Conselve | 4,643.51 mi (7,473.01 km) |
| Fort Thomas to Conversano | 5,029.77 mi (8,094.64 km) |
| Fort Thomas to Copertino | 5,098.06 mi (8,204.53 km) |
| Fort Thomas to Copparo | 4,654.77 mi (7,491.13 km) |
