| Siloam Springs to Cascais | 4,490.37 mi (7,226.56 km) |
| Siloam Springs to Castelo Branco | 4,545.36 mi (7,315.05 km) |
| Siloam Springs to Castro Daire | 4,490.49 mi (7,226.75 km) |
| Siloam Springs to Celorico de Basto | 4,472.18 mi (7,197.27 km) |
| Siloam Springs to Chamusca | 4,514.04 mi (7,264.64 km) |
| Siloam Springs to Chaves | 4,485.28 mi (7,218.35 km) |
| Siloam Springs to Cinfaes | 4,474.90 mi (7,201.66 km) |
| Siloam Springs to Coimbra | 4,489.16 mi (7,224.60 km) |
| Siloam Springs to Condeixa-a-Nova | 4,488.83 mi (7,224.07 km) |
| Siloam Springs to Corroios | 4,505.82 mi (7,251.42 km) |
| Siloam Springs to Coruche | 4,524.59 mi (7,281.63 km) |
| Siloam Springs to Costa de Caparica | 4,500.81 mi (7,243.35 km) |
| Siloam Springs to Covilha | 4,530.32 mi (7,290.85 km) |
| Siloam Springs to Eiras | 4,488.42 mi (7,223.41 km) |
| Siloam Springs to Elvas | 4,592.83 mi (7,391.44 km) |
