| Mercer Island to Ross on Wye | 4,696.47 mi (7,558.23 km) |
| Mercer Island to Rossington | 4,652.78 mi (7,487.92 km) |
| Mercer Island to Rosyth | 4,456.52 mi (7,172.07 km) |
| Mercer Island to Rotherham | 4,647.62 mi (7,479.63 km) |
| Mercer Island to Rothwell | 4,627.39 mi (7,447.07 km) |
| Mercer Island to Rottingdean | 4,823.52 mi (7,762.70 km) |
| Mercer Island to Rowley Regis | 4,680.07 mi (7,531.85 km) |
| Mercer Island to Royal Leamington Spa | 4,704.19 mi (7,570.67 km) |
| Mercer Island to Royal Tunbridge Wells | 4,814.79 mi (7,748.66 km) |
| Mercer Island to Royal Wootton Bassett | 4,735.43 mi (7,620.93 km) |
| Mercer Island to Royston | 4,635.55 mi (7,460.19 km) |
| Mercer Island to Royston | 4,757.26 mi (7,656.07 km) |
| Mercer Island to Royton | 4,620.51 mi (7,435.99 km) |
| Mercer Island to Rugby | 4,707.29 mi (7,575.64 km) |
| Mercer Island to Rugeley | 4,668.43 mi (7,513.11 km) |
