| Ada to Rhosllanerchrugog | 1,148.46 mi (1,848.26 km) |
| Ada to Rhyl | 1,171.55 mi (1,885.43 km) |
| Ada to Rhymney | 1,136.73 mi (1,829.39 km) |
| Ada to Richmond | 1,007.41 mi (1,621.27 km) |
| Ada to Rickmansworth | 1,017.52 mi (1,637.53 km) |
| Ada to Ripley | 1,084.11 mi (1,744.71 km) |
| Ada to Ripon | 1,114.98 mi (1,794.39 km) |
| Ada to Risca | 1,126.54 mi (1,812.99 km) |
| Ada to Rochdale | 1,126.30 mi (1,812.61 km) |
| Ada to Rochester | 972.63 mi (1,565.30 km) |
| Ada to Rock Ferry | 1,154.01 mi (1,857.20 km) |
| Ada to Rogerstone | 1,124.73 mi (1,810.08 km) |
| Ada to Romford | 989.67 mi (1,592.72 km) |
| Ada to Romsey | 1,050.46 mi (1,690.56 km) |
| Ada to Ross on Wye | 1,110.09 mi (1,786.51 km) |
