| Holbrook to Benavente | 3,330.96 mi (5,360.66 km) |
| Holbrook to Bombarral | 3,305.16 mi (5,319.14 km) |
| Holbrook to Bougado | 3,278.96 mi (5,276.98 km) |
| Holbrook to Braga | 3,280.15 mi (5,278.89 km) |
| Holbrook to Braganca | 3,352.94 mi (5,396.04 km) |
| Holbrook to Cabeceiras de Basto | 3,299.94 mi (5,310.74 km) |
| Holbrook to Cacem | 3,311.43 mi (5,329.24 km) |
| Holbrook to Cadaval | 3,308.83 mi (5,325.05 km) |
| Holbrook to Caldas da Rainha | 3,302.30 mi (5,314.53 km) |
| Holbrook to Calheta | 3,091.63 mi (4,975.50 km) |
| Holbrook to Camara de Lobos | 3,102.31 mi (4,992.68 km) |
| Holbrook to Canico | 3,110.62 mi (5,006.06 km) |
| Holbrook to Cantanhede | 3,303.31 mi (5,316.16 km) |
| Holbrook to Carregal do Sal | 3,329.78 mi (5,358.77 km) |
| Holbrook to Cartaxo | 3,326.67 mi (5,353.76 km) |
