| Buffalo Grove to Cascais | 3,985.50 mi (6,414.04 km) |
| Buffalo Grove to Castelo Branco | 4,034.08 mi (6,492.22 km) |
| Buffalo Grove to Castro Daire | 3,976.44 mi (6,399.46 km) |
| Buffalo Grove to Celorico de Basto | 3,956.75 mi (6,367.77 km) |
| Buffalo Grove to Chamusca | 4,005.61 mi (6,446.41 km) |
| Buffalo Grove to Chaves | 3,968.18 mi (6,386.16 km) |
| Buffalo Grove to Cinfaes | 3,960.49 mi (6,373.80 km) |
| Buffalo Grove to Coimbra | 3,977.88 mi (6,401.78 km) |
| Buffalo Grove to Condeixa-a-Nova | 3,977.94 mi (6,401.88 km) |
| Buffalo Grove to Corroios | 4,000.84 mi (6,438.73 km) |
| Buffalo Grove to Coruche | 4,017.53 mi (6,465.59 km) |
| Buffalo Grove to Costa de Caparica | 3,995.85 mi (6,430.70 km) |
| Buffalo Grove to Covilha | 4,017.59 mi (6,465.69 km) |
| Buffalo Grove to Eiras | 3,977.04 mi (6,400.42 km) |
| Buffalo Grove to Elvas | 4,084.07 mi (6,572.67 km) |
