| Allouez to Cortona | 4,632.83 mi (7,455.82 km) |
| Allouez to Cosenza | 4,980.81 mi (8,015.84 km) |
| Allouez to Cossato | 4,386.72 mi (7,059.74 km) |
| Allouez to Costa Volpino | 4,448.99 mi (7,159.96 km) |
| Allouez to Creazzo | 4,513.91 mi (7,264.44 km) |
| Allouez to Crema | 4,453.15 mi (7,166.65 km) |
| Allouez to Cremona | 4,476.51 mi (7,204.25 km) |
| Allouez to Crevalcore | 4,537.08 mi (7,301.72 km) |
| Allouez to Crispiano | 4,956.83 mi (7,977.25 km) |
| Allouez to Crosia | 4,988.14 mi (8,027.64 km) |
| Allouez to Crotone | 5,024.74 mi (8,086.54 km) |
| Allouez to Cuneo | 4,412.77 mi (7,101.67 km) |
| Allouez to Cuorgne | 4,374.27 mi (7,039.72 km) |
| Allouez to Cusano Milanino | 4,426.28 mi (7,123.40 km) |
| Allouez to Cutro | 5,021.96 mi (8,082.06 km) |
