| Isabela to Ruislip | 4,224.04 mi (6,797.93 km) |
| Isabela to Runcorn | 4,144.82 mi (6,670.44 km) |
| Isabela to Rushall | 4,169.02 mi (6,709.39 km) |
| Isabela to Rushden | 4,222.66 mi (6,795.71 km) |
| Isabela to Rustington | 4,215.17 mi (6,783.67 km) |
| Isabela to Rutherglen | 4,118.48 mi (6,628.05 km) |
| Isabela to Ryde | 4,186.02 mi (6,736.75 km) |
| Isabela to Rye | 4,269.71 mi (6,871.43 km) |
| Isabela to Ryhope | 4,216.19 mi (6,785.30 km) |
| Isabela to Saffron Walden | 4,256.11 mi (6,849.55 km) |
| Isabela to Saint Albans | 4,229.55 mi (6,806.81 km) |
| Isabela to Saint Andrews | 4,179.15 mi (6,725.70 km) |
| Isabela to Saint Austell | 4,024.53 mi (6,476.86 km) |
| Isabela to Saint Budeaux | 4,051.52 mi (6,520.30 km) |
| Isabela to Saint Helens | 4,145.37 mi (6,671.33 km) |
