| Catonsville to Aberaman | 3,497.28 mi (5,628.33 km) |
| Catonsville to Aberbargoed | 3,505.94 mi (5,642.26 km) |
| Catonsville to Aberdare | 3,496.54 mi (5,627.14 km) |
| Catonsville to Aberdeen | 3,453.59 mi (5,558.02 km) |
| Catonsville to Abergavenny | 3,511.94 mi (5,651.92 km) |
| Catonsville to Abergele | 3,461.82 mi (5,571.26 km) |
| Catonsville to Abertawe | 3,477.62 mi (5,596.69 km) |
| Catonsville to Abertillery | 3,509.14 mi (5,647.42 km) |
| Catonsville to Aberystwyth | 3,457.32 mi (5,564.02 km) |
| Catonsville to Abingdon | 3,586.00 mi (5,771.12 km) |
| Catonsville to Abram | 3,497.11 mi (5,628.05 km) |
| Catonsville to Accrington | 3,501.44 mi (5,635.02 km) |
| Catonsville to Acomb | 3,546.19 mi (5,707.04 km) |
| Catonsville to Acton | 3,630.60 mi (5,842.89 km) |
| Catonsville to Addlestone | 3,624.80 mi (5,833.55 km) |
