| Harlow to Benavente | 983.89 mi (1,583.42 km) |
| Harlow to Bombarral | 972.44 mi (1,564.99 km) |
| Harlow to Bougado | 829.84 mi (1,335.50 km) |
| Harlow to Braga | 813.44 mi (1,309.10 km) |
| Harlow to Braganca | 761.33 mi (1,225.25 km) |
| Harlow to Cabeceiras de Basto | 805.27 mi (1,295.95 km) |
| Harlow to Cacem | 1,007.19 mi (1,620.91 km) |
| Harlow to Cadaval | 973.42 mi (1,566.57 km) |
| Harlow to Caldas da Rainha | 963.25 mi (1,550.20 km) |
| Harlow to Calheta | 1,577.13 mi (2,538.15 km) |
| Harlow to Camara de Lobos | 1,573.84 mi (2,532.85 km) |
| Harlow to Canico | 1,573.67 mi (2,532.57 km) |
| Harlow to Cantanhede | 892.30 mi (1,436.02 km) |
| Harlow to Carregal do Sal | 874.00 mi (1,406.57 km) |
| Harlow to Cartaxo | 971.89 mi (1,564.11 km) |
