| Guyancourt to Rivarolo Canavese | 356.30 mi (573.41 km) |
| Guyancourt to Rivoli | 362.33 mi (583.12 km) |
| Guyancourt to Rocca di Papa | 707.33 mi (1,138.34 km) |
| Guyancourt to Rocca Priora | 708.27 mi (1,139.84 km) |
| Guyancourt to Roccapiemonte | 828.40 mi (1,333.18 km) |
| Guyancourt to Roccastrada | 590.66 mi (950.58 km) |
| Guyancourt to Romano di Lombardia | 424.78 mi (683.62 km) |
| Guyancourt to Rome | 692.72 mi (1,114.83 km) |
| Guyancourt to Roncade | 529.73 mi (852.52 km) |
| Guyancourt to Ronchi dei Legionari | 571.86 mi (920.32 km) |
| Guyancourt to Ronciglione | 663.42 mi (1,067.67 km) |
| Guyancourt to Rosa | 500.76 mi (805.90 km) |
| Guyancourt to Rosarno | 991.36 mi (1,595.45 km) |
| Guyancourt to Rosignano Marittimo | 546.67 mi (879.78 km) |
| Guyancourt to Rosolini | 1,049.80 mi (1,689.49 km) |
