| Onex to Benavente | 905.08 mi (1,456.59 km) |
| Onex to Bombarral | 907.53 mi (1,460.53 km) |
| Onex to Bougado | 802.89 mi (1,292.13 km) |
| Onex to Braga | 789.42 mi (1,270.45 km) |
| Onex to Braganca | 705.96 mi (1,136.14 km) |
| Onex to Cabeceiras de Basto | 771.76 mi (1,242.04 km) |
| Onex to Cacem | 934.95 mi (1,504.66 km) |
| Onex to Cadaval | 906.60 mi (1,459.04 km) |
| Onex to Caldas da Rainha | 900.98 mi (1,449.99 km) |
| Onex to Calheta | 1,541.10 mi (2,480.16 km) |
| Onex to Camara de Lobos | 1,534.72 mi (2,469.89 km) |
| Onex to Canico | 1,532.00 mi (2,465.52 km) |
| Onex to Cantanhede | 840.29 mi (1,352.32 km) |
| Onex to Carregal do Sal | 810.96 mi (1,305.11 km) |
| Onex to Cartaxo | 896.59 mi (1,442.92 km) |
