| Carlow to Rivarolo Canavese | 838.73 mi (1,349.81 km) |
| Carlow to Rivoli | 844.30 mi (1,358.77 km) |
| Carlow to Rocca di Papa | 1,189.78 mi (1,914.77 km) |
| Carlow to Rocca Priora | 1,190.72 mi (1,916.28 km) |
| Carlow to Roccapiemonte | 1,310.72 mi (2,109.39 km) |
| Carlow to Roccastrada | 1,073.12 mi (1,727.01 km) |
| Carlow to Romano di Lombardia | 903.88 mi (1,454.66 km) |
| Carlow to Rome | 1,175.17 mi (1,891.25 km) |
| Carlow to Roncade | 998.88 mi (1,607.54 km) |
| Carlow to Ronchi dei Legionari | 1,034.21 mi (1,664.39 km) |
| Carlow to Ronciglione | 1,145.87 mi (1,844.10 km) |
| Carlow to Rosa | 971.53 mi (1,563.53 km) |
| Carlow to Rosarno | 1,473.68 mi (2,371.66 km) |
| Carlow to Rosignano Marittimo | 1,029.11 mi (1,656.19 km) |
| Carlow to Rosolini | 1,528.86 mi (2,460.46 km) |
