| Highlands Ranch to Cascais | 4,845.85 mi (7,798.64 km) |
| Highlands Ranch to Castelo Branco | 4,884.33 mi (7,860.57 km) |
| Highlands Ranch to Castro Daire | 4,822.19 mi (7,760.57 km) |
| Highlands Ranch to Celorico de Basto | 4,800.08 mi (7,724.98 km) |
| Highlands Ranch to Chamusca | 4,860.65 mi (7,822.45 km) |
| Highlands Ranch to Chaves | 4,808.14 mi (7,737.96 km) |
| Highlands Ranch to Cinfaes | 4,805.70 mi (7,734.02 km) |
| Highlands Ranch to Coimbra | 4,828.49 mi (7,770.70 km) |
| Highlands Ranch to Condeixa-a-Nova | 4,829.21 mi (7,771.86 km) |
| Highlands Ranch to Corroios | 4,860.96 mi (7,822.96 km) |
| Highlands Ranch to Coruche | 4,874.56 mi (7,844.84 km) |
| Highlands Ranch to Costa de Caparica | 4,856.03 mi (7,815.03 km) |
| Highlands Ranch to Covilha | 4,865.47 mi (7,830.21 km) |
| Highlands Ranch to Eiras | 4,827.47 mi (7,769.07 km) |
| Highlands Ranch to Elvas | 4,938.12 mi (7,947.14 km) |
