| Kennewick to Castelletto sopra Ticino | 5,338.51 mi (8,591.50 km) |
| Kennewick to Castelli Calepio | 5,377.25 mi (8,653.85 km) |
| Kennewick to Castelnovo ne' Monti | 5,460.03 mi (8,787.07 km) |
| Kennewick to Castelnuovo Berardenga | 5,552.86 mi (8,936.46 km) |
| Kennewick to Castelnuovo di Porto | 5,650.77 mi (9,094.04 km) |
| Kennewick to Castelnuovo di Verona | 5,411.73 mi (8,709.34 km) |
| Kennewick to Castelnuovo Rangone | 5,467.48 mi (8,799.05 km) |
| Kennewick to Castelvetrano | 5,921.64 mi (9,529.95 km) |
| Kennewick to Castelvetro di Modena | 5,470.83 mi (8,804.45 km) |
| Kennewick to Castenaso | 5,484.03 mi (8,825.69 km) |
| Kennewick to Castenedolo | 5,397.19 mi (8,685.93 km) |
| Kennewick to Castiglion Fiorentino | 5,564.11 mi (8,954.58 km) |
| Kennewick to Castiglione del Lago | 5,579.59 mi (8,979.47 km) |
| Kennewick to Castiglione delle Stiviere | 5,406.64 mi (8,701.14 km) |
| Kennewick to Castrolibero | 5,916.53 mi (9,521.73 km) |
