| Council Bluffs to Rhondda | 4,159.88 mi (6,694.68 km) |
| Council Bluffs to Rhosllanerchrugog | 4,125.38 mi (6,639.15 km) |
| Council Bluffs to Rhyl | 4,099.43 mi (6,597.39 km) |
| Council Bluffs to Rhymney | 4,159.92 mi (6,694.74 km) |
| Council Bluffs to Richmond | 4,280.35 mi (6,888.56 km) |
| Council Bluffs to Rickmansworth | 4,267.68 mi (6,868.17 km) |
| Council Bluffs to Ripley | 4,183.18 mi (6,732.18 km) |
| Council Bluffs to Ripon | 4,141.16 mi (6,664.55 km) |
| Council Bluffs to Risca | 4,172.27 mi (6,714.61 km) |
| Council Bluffs to Rochdale | 4,136.71 mi (6,657.39 km) |
| Council Bluffs to Rochester | 4,312.53 mi (6,940.35 km) |
| Council Bluffs to Rock Ferry | 4,114.65 mi (6,621.90 km) |
| Council Bluffs to Rogerstone | 4,174.26 mi (6,717.81 km) |
| Council Bluffs to Romford | 4,293.44 mi (6,909.62 km) |
| Council Bluffs to Romsey | 4,253.33 mi (6,845.07 km) |
