| Roseburg to Cortona | 5,853.28 mi (9,419.95 km) |
| Roseburg to Cosenza | 6,201.27 mi (9,979.97 km) |
| Roseburg to Cossato | 5,618.86 mi (9,042.69 km) |
| Roseburg to Costa Volpino | 5,654.21 mi (9,099.58 km) |
| Roseburg to Creazzo | 5,706.92 mi (9,184.40 km) |
| Roseburg to Crema | 5,670.49 mi (9,125.78 km) |
| Roseburg to Cremona | 5,693.23 mi (9,162.37 km) |
| Roseburg to Crevalcore | 5,746.55 mi (9,248.18 km) |
| Roseburg to Crispiano | 6,146.22 mi (9,891.38 km) |
| Roseburg to Crosia | 6,197.95 mi (9,974.64 km) |
| Roseburg to Crotone | 6,236.22 mi (10,036.23 km) |
| Roseburg to Cuneo | 5,670.24 mi (9,125.36 km) |
| Roseburg to Cuorgne | 5,615.17 mi (9,036.74 km) |
| Roseburg to Cusano Milanino | 5,646.75 mi (9,087.56 km) |
| Roseburg to Cutro | 6,235.97 mi (10,035.82 km) |
