| Sedro-Woolley to Castelletto sopra Ticino | 5,284.88 mi (8,505.19 km) |
| Sedro-Woolley to Castelli Calepio | 5,321.01 mi (8,563.33 km) |
| Sedro-Woolley to Castelnovo ne' Monti | 5,404.99 mi (8,698.49 km) |
| Sedro-Woolley to Castelnuovo Berardenga | 5,497.37 mi (8,847.16 km) |
| Sedro-Woolley to Castelnuovo di Porto | 5,595.21 mi (9,004.63 km) |
| Sedro-Woolley to Castelnuovo di Verona | 5,353.95 mi (8,616.36 km) |
| Sedro-Woolley to Castelnuovo Rangone | 5,411.02 mi (8,708.19 km) |
| Sedro-Woolley to Castelvetrano | 5,873.45 mi (9,452.40 km) |
| Sedro-Woolley to Castelvetro di Modena | 5,414.43 mi (8,713.68 km) |
| Sedro-Woolley to Castenaso | 5,426.44 mi (8,733.01 km) |
| Sedro-Woolley to Castenedolo | 5,340.38 mi (8,594.51 km) |
| Sedro-Woolley to Castiglion Fiorentino | 5,507.68 mi (8,863.75 km) |
| Sedro-Woolley to Castiglione del Lago | 5,523.23 mi (8,888.79 km) |
| Sedro-Woolley to Castiglione delle Stiviere | 5,349.52 mi (8,609.21 km) |
| Sedro-Woolley to Castrolibero | 5,856.98 mi (9,425.90 km) |
