| Sintra to Aberbargoed | 939.39 mi (1,511.80 km) |
| Sintra to Aberdare | 937.13 mi (1,508.16 km) |
| Sintra to Aberdeen | 1,310.07 mi (2,108.36 km) |
| Sintra to Abergavenny | 950.78 mi (1,530.13 km) |
| Sintra to Abergele | 1,037.72 mi (1,670.05 km) |
| Sintra to Abertawe | 923.67 mi (1,486.50 km) |
| Sintra to Abertillery | 942.97 mi (1,517.57 km) |
| Sintra to Aberystwyth | 974.37 mi (1,568.10 km) |
| Sintra to Abingdon | 971.19 mi (1,562.98 km) |
| Sintra to Abram | 1,065.93 mi (1,715.45 km) |
| Sintra to Accrington | 1,085.03 mi (1,746.19 km) |
| Sintra to Acomb | 1,116.97 mi (1,797.59 km) |
| Sintra to Acton | 982.64 mi (1,581.40 km) |
| Sintra to Addlestone | 969.30 mi (1,559.93 km) |
| Sintra to Adel | 1,102.88 mi (1,774.91 km) |
