| Sliven to Aberbargoed | 1,507.62 mi (2,426.28 km) |
| Sliven to Aberdare | 1,517.10 mi (2,441.53 km) |
| Sliven to Aberdeen | 1,592.65 mi (2,563.12 km) |
| Sliven to Abergavenny | 1,500.95 mi (2,415.54 km) |
| Sliven to Abergele | 1,549.28 mi (2,493.33 km) |
| Sliven to Abertawe | 1,536.87 mi (2,473.35 km) |
| Sliven to Abertillery | 1,504.20 mi (2,420.78 km) |
| Sliven to Aberystwyth | 1,554.29 mi (2,501.38 km) |
| Sliven to Abingdon | 1,426.37 mi (2,295.52 km) |
| Sliven to Abram | 1,514.76 mi (2,437.78 km) |
| Sliven to Accrington | 1,511.34 mi (2,432.27 km) |
| Sliven to Acomb | 1,468.55 mi (2,363.40 km) |
| Sliven to Acton | 1,381.66 mi (2,223.56 km) |
| Sliven to Addlestone | 1,388.13 mi (2,233.98 km) |
| Sliven to Adel | 1,483.52 mi (2,387.49 km) |
