| Prospect Heights to Benavente | 4,004.89 mi (6,445.25 km) |
| Prospect Heights to Bombarral | 3,977.90 mi (6,401.81 km) |
| Prospect Heights to Bougado | 3,933.67 mi (6,330.63 km) |
| Prospect Heights to Braga | 3,932.68 mi (6,329.04 km) |
| Prospect Heights to Braganca | 3,998.31 mi (6,434.67 km) |
| Prospect Heights to Cabeceiras de Basto | 3,951.40 mi (6,359.17 km) |
| Prospect Heights to Cacem | 3,988.31 mi (6,418.56 km) |
| Prospect Heights to Cadaval | 3,981.67 mi (6,407.87 km) |
| Prospect Heights to Caldas da Rainha | 3,973.93 mi (6,395.42 km) |
| Prospect Heights to Calheta | 3,826.34 mi (6,157.90 km) |
| Prospect Heights to Camara de Lobos | 3,836.73 mi (6,174.62 km) |
| Prospect Heights to Canico | 3,845.01 mi (6,187.95 km) |
| Prospect Heights to Cantanhede | 3,966.10 mi (6,382.82 km) |
| Prospect Heights to Carregal do Sal | 3,990.10 mi (6,421.45 km) |
| Prospect Heights to Cartaxo | 3,999.20 mi (6,436.08 km) |
