| Gaithersburg to Ruislip | 3,647.62 mi (5,870.28 km) |
| Gaithersburg to Runcorn | 3,519.12 mi (5,663.48 km) |
| Gaithersburg to Rushall | 3,564.28 mi (5,736.15 km) |
| Gaithersburg to Rushden | 3,625.43 mi (5,834.57 km) |
| Gaithersburg to Rustington | 3,661.71 mi (5,892.95 km) |
| Gaithersburg to Rutherglen | 3,419.50 mi (5,503.16 km) |
| Gaithersburg to Ryde | 3,636.42 mi (5,852.25 km) |
| Gaithersburg to Rye | 3,709.30 mi (5,969.54 km) |
| Gaithersburg to Ryhope | 3,544.01 mi (5,703.53 km) |
| Gaithersburg to Saffron Walden | 3,665.17 mi (5,898.52 km) |
| Gaithersburg to Saint Albans | 3,647.64 mi (5,870.31 km) |
| Gaithersburg to Saint Andrews | 3,464.84 mi (5,576.12 km) |
| Gaithersburg to Saint Austell | 3,492.78 mi (5,621.09 km) |
| Gaithersburg to Saint Budeaux | 3,516.99 mi (5,660.05 km) |
| Gaithersburg to Saint Helens | 3,516.45 mi (5,659.19 km) |
