| Kennewick to Cascais | 5,141.60 mi (8,274.61 km) |
| Kennewick to Castelo Branco | 5,153.34 mi (8,293.50 km) |
| Kennewick to Castro Daire | 5,082.49 mi (8,179.48 km) |
| Kennewick to Celorico de Basto | 5,055.47 mi (8,135.99 km) |
| Kennewick to Chamusca | 5,142.22 mi (8,275.60 km) |
| Kennewick to Chaves | 5,055.61 mi (8,136.21 km) |
| Kennewick to Cinfaes | 5,065.25 mi (8,151.74 km) |
| Kennewick to Coimbra | 5,100.15 mi (8,207.90 km) |
| Kennewick to Condeixa-a-Nova | 5,102.45 mi (8,211.60 km) |
| Kennewick to Corroios | 5,155.64 mi (8,297.20 km) |
| Kennewick to Coruche | 5,160.77 mi (8,305.45 km) |
| Kennewick to Costa de Caparica | 5,151.03 mi (8,289.78 km) |
| Kennewick to Covilha | 5,129.35 mi (8,254.88 km) |
| Kennewick to Eiras | 5,098.76 mi (8,205.66 km) |
| Kennewick to Elvas | 5,214.80 mi (8,392.41 km) |
