| Martha Lake to Cascais | 5,175.36 mi (8,328.94 km) |
| Martha Lake to Castelo Branco | 5,181.03 mi (8,338.06 km) |
| Martha Lake to Castro Daire | 5,108.67 mi (8,221.61 km) |
| Martha Lake to Celorico de Basto | 5,080.73 mi (8,176.64 km) |
| Martha Lake to Chamusca | 5,172.79 mi (8,324.80 km) |
| Martha Lake to Chaves | 5,079.10 mi (8,174.02 km) |
| Martha Lake to Cinfaes | 5,091.38 mi (8,193.78 km) |
| Martha Lake to Coimbra | 5,128.76 mi (8,253.95 km) |
| Martha Lake to Condeixa-a-Nova | 5,131.40 mi (8,258.19 km) |
| Martha Lake to Corroios | 5,189.07 mi (8,351.00 km) |
| Martha Lake to Coruche | 5,192.26 mi (8,356.14 km) |
| Martha Lake to Costa de Caparica | 5,184.55 mi (8,343.73 km) |
| Martha Lake to Covilha | 5,156.03 mi (8,297.83 km) |
| Martha Lake to Eiras | 5,127.29 mi (8,251.57 km) |
| Martha Lake to Elvas | 5,243.82 mi (8,439.12 km) |
