| Isabela to Ross on Wye | 4,135.67 mi (6,655.73 km) |
| Isabela to Rossington | 4,214.30 mi (6,782.27 km) |
| Isabela to Rosyth | 4,151.00 mi (6,680.39 km) |
| Isabela to Rotherham | 4,201.81 mi (6,762.16 km) |
| Isabela to Rothwell | 4,200.10 mi (6,759.41 km) |
| Isabela to Rottingdean | 4,234.32 mi (6,814.49 km) |
| Isabela to Rowley Regis | 4,163.93 mi (6,701.19 km) |
| Isabela to Royal Leamington Spa | 4,183.46 mi (6,732.63 km) |
| Isabela to Royal Tunbridge Wells | 4,250.69 mi (6,840.82 km) |
| Isabela to Royal Wootton Bassett | 4,161.12 mi (6,696.68 km) |
| Isabela to Royston | 4,199.83 mi (6,758.97 km) |
| Isabela to Royston | 4,245.18 mi (6,831.96 km) |
| Isabela to Royton | 4,172.17 mi (6,714.45 km) |
| Isabela to Rugby | 4,195.77 mi (6,752.44 km) |
| Isabela to Rugeley | 4,171.26 mi (6,712.99 km) |
