| Caister-on-Sea to Arcore | 593.10 mi (954.50 km) |
| Caister-on-Sea to Ardea | 914.20 mi (1,471.25 km) |
| Caister-on-Sea to Arenzano | 651.78 mi (1,048.94 km) |
| Caister-on-Sea to Arese | 591.60 mi (952.09 km) |
| Caister-on-Sea to Arezzo | 787.37 mi (1,267.15 km) |
| Caister-on-Sea to Argelato | 708.82 mi (1,140.73 km) |
| Caister-on-Sea to Argenta | 720.39 mi (1,159.35 km) |
| Caister-on-Sea to Ariano Irpino | 1,010.84 mi (1,626.80 km) |
| Caister-on-Sea to Ariccia | 911.23 mi (1,466.49 km) |
| Caister-on-Sea to Arluno | 591.23 mi (951.50 km) |
| Caister-on-Sea to Arona | 566.78 mi (912.14 km) |
| Caister-on-Sea to Artena | 916.80 mi (1,475.45 km) |
| Caister-on-Sea to Arzachena | 875.98 mi (1,409.75 km) |
| Caister-on-Sea to Arzano | 1,001.40 mi (1,611.60 km) |
| Caister-on-Sea to Arzignano | 655.94 mi (1,055.63 km) |
