| Isabela to Rhondda | 4,097.46 mi (6,594.23 km) |
| Isabela to Rhosllanerchrugog | 4,128.08 mi (6,643.51 km) |
| Isabela to Rhyl | 4,114.22 mi (6,621.19 km) |
| Isabela to Rhymney | 4,104.69 mi (6,605.86 km) |
| Isabela to Richmond | 4,228.76 mi (6,805.53 km) |
| Isabela to Rickmansworth | 4,223.12 mi (6,796.45 km) |
| Isabela to Ripley | 4,196.05 mi (6,752.89 km) |
| Isabela to Ripon | 4,202.29 mi (6,762.93 km) |
| Isabela to Risca | 4,111.22 mi (6,616.38 km) |
| Isabela to Rochdale | 4,171.06 mi (6,712.67 km) |
| Isabela to Rochester | 4,262.52 mi (6,859.86 km) |
| Isabela to Rock Ferry | 4,134.01 mi (6,653.05 km) |
| Isabela to Rogerstone | 4,112.63 mi (6,618.63 km) |
| Isabela to Romford | 4,250.22 mi (6,840.06 km) |
| Isabela to Romsey | 4,173.65 mi (6,716.85 km) |
