| Sedro-Woolley to Chivasso | 5,297.22 mi (8,525.05 km) |
| Sedro-Woolley to Ciampino | 5,617.91 mi (9,041.16 km) |
| Sedro-Woolley to Cicciano | 5,715.58 mi (9,198.34 km) |
| Sedro-Woolley to Cingoli | 5,537.42 mi (8,911.62 km) |
| Sedro-Woolley to Cinisello Balsamo | 5,309.21 mi (8,544.35 km) |
| Sedro-Woolley to Cinisi | 5,851.79 mi (9,417.54 km) |
| Sedro-Woolley to Cirie | 5,287.32 mi (8,509.12 km) |
| Sedro-Woolley to Ciro Marina | 5,875.39 mi (9,455.52 km) |
| Sedro-Woolley to Cislago | 5,297.10 mi (8,524.86 km) |
| Sedro-Woolley to Cisterna di Latina | 5,636.22 mi (9,070.63 km) |
| Sedro-Woolley to Cisternino | 5,797.38 mi (9,329.99 km) |
| Sedro-Woolley to Citta di Castello | 5,508.46 mi (8,865.01 km) |
| Sedro-Woolley to Citta Sant'Angelo | 5,609.04 mi (9,026.88 km) |
| Sedro-Woolley to Cittadella | 5,365.12 mi (8,634.33 km) |
| Sedro-Woolley to Cittanova | 5,914.13 mi (9,517.88 km) |
