| Euclid to Rivalta di Torino | 4,243.03 mi (6,828.49 km) |
| Euclid to Rivarolo Canavese | 4,240.51 mi (6,824.45 km) |
| Euclid to Rivoli | 4,241.71 mi (6,826.37 km) |
| Euclid to Rocca di Papa | 4,585.17 mi (7,379.12 km) |
| Euclid to Rocca Priora | 4,586.60 mi (7,381.42 km) |
| Euclid to Roccapiemonte | 4,709.02 mi (7,578.44 km) |
| Euclid to Roccastrada | 4,471.23 mi (7,195.76 km) |
| Euclid to Romano di Lombardia | 4,317.27 mi (6,947.97 km) |
| Euclid to Rome | 4,570.30 mi (7,355.18 km) |
| Euclid to Roncade | 4,419.50 mi (7,112.50 km) |
| Euclid to Ronchi dei Legionari | 4,456.28 mi (7,171.68 km) |
| Euclid to Ronciglione | 4,543.28 mi (7,311.70 km) |
| Euclid to Rosa | 4,391.47 mi (7,067.38 km) |
| Euclid to Rosarno | 4,858.97 mi (7,819.76 km) |
| Euclid to Rosignano Marittimo | 4,426.86 mi (7,124.34 km) |
