| Eugene to Cortona | 5,797.90 mi (9,330.81 km) |
| Eugene to Cosenza | 6,145.60 mi (9,890.39 km) |
| Eugene to Cossato | 5,563.87 mi (8,954.18 km) |
| Eugene to Costa Volpino | 5,598.76 mi (9,010.34 km) |
| Eugene to Creazzo | 5,651.25 mi (9,094.80 km) |
| Eugene to Crema | 5,615.21 mi (9,036.81 km) |
| Eugene to Cremona | 5,637.92 mi (9,073.36 km) |
| Eugene to Crevalcore | 5,691.09 mi (9,158.92 km) |
| Eugene to Crispiano | 6,090.14 mi (9,801.14 km) |
| Eugene to Crosia | 6,142.13 mi (9,884.80 km) |
| Eugene to Crotone | 6,180.39 mi (9,946.38 km) |
| Eugene to Cuneo | 5,615.62 mi (9,037.46 km) |
| Eugene to Cuorgne | 5,560.32 mi (8,948.47 km) |
| Eugene to Cusano Milanino | 5,591.54 mi (8,998.71 km) |
| Eugene to Cutro | 6,180.18 mi (9,946.03 km) |
