| Bad Honnef am Rhein to Rivarolo Canavese | 367.84 mi (591.99 km) |
| Bad Honnef am Rhein to Rivoli | 385.45 mi (620.32 km) |
| Bad Honnef am Rhein to Rocca di Papa | 666.78 mi (1,073.07 km) |
| Bad Honnef am Rhein to Rocca Priora | 666.65 mi (1,072.86 km) |
| Bad Honnef am Rhein to Roccapiemonte | 771.15 mi (1,241.05 km) |
| Bad Honnef am Rhein to Roccastrada | 559.28 mi (900.07 km) |
| Bad Honnef am Rhein to Romano di Lombardia | 372.92 mi (600.16 km) |
| Bad Honnef am Rhein to Rome | 654.32 mi (1,053.02 km) |
| Bad Honnef am Rhein to Roncade | 420.14 mi (676.15 km) |
| Bad Honnef am Rhein to Ronchi dei Legionari | 439.98 mi (708.08 km) |
| Bad Honnef am Rhein to Ronciglione | 623.85 mi (1,003.99 km) |
| Bad Honnef am Rhein to Rosa | 399.44 mi (642.83 km) |
| Bad Honnef am Rhein to Rosarno | 942.67 mi (1,517.08 km) |
| Bad Honnef am Rhein to Rosignano Marittimo | 523.19 mi (841.99 km) |
| Bad Honnef am Rhein to Rosolini | 1,028.94 mi (1,655.93 km) |
