| Potters Bar to Rivalta di Torino | 579.83 mi (933.14 km) |
| Potters Bar to Rivarolo Canavese | 568.76 mi (915.33 km) |
| Potters Bar to Rivoli | 577.78 mi (929.85 km) |
| Potters Bar to Rocca di Papa | 916.02 mi (1,474.20 km) |
| Potters Bar to Rocca Priora | 916.67 mi (1,475.23 km) |
| Potters Bar to Roccapiemonte | 1,033.68 mi (1,663.55 km) |
| Potters Bar to Roccastrada | 799.83 mi (1,287.20 km) |
| Potters Bar to Romano di Lombardia | 622.15 mi (1,001.25 km) |
| Potters Bar to Rome | 901.80 mi (1,451.30 km) |
| Potters Bar to Roncade | 708.79 mi (1,140.69 km) |
| Potters Bar to Ronchi dei Legionari | 741.49 mi (1,193.31 km) |
| Potters Bar to Ronciglione | 871.68 mi (1,402.84 km) |
| Potters Bar to Rosa | 682.44 mi (1,098.28 km) |
| Potters Bar to Rosarno | 1,200.76 mi (1,932.43 km) |
| Potters Bar to Rosignano Marittimo | 756.97 mi (1,218.23 km) |
