| Walnut Creek to Rivalta di Torino | 5,903.26 mi (9,500.38 km) |
| Walnut Creek to Rivarolo Canavese | 5,892.88 mi (9,483.67 km) |
| Walnut Creek to Rivoli | 5,901.29 mi (9,497.21 km) |
| Walnut Creek to Rocca di Papa | 6,238.92 mi (10,040.58 km) |
| Walnut Creek to Rocca Priora | 6,239.42 mi (10,041.37 km) |
| Walnut Creek to Roccapiemonte | 6,353.41 mi (10,224.83 km) |
| Walnut Creek to Roccastrada | 6,123.36 mi (9,854.60 km) |
| Walnut Creek to Romano di Lombardia | 5,941.70 mi (9,562.24 km) |
| Walnut Creek to Rome | 6,224.93 mi (10,018.06 km) |
| Walnut Creek to Roncade | 6,008.93 mi (9,670.44 km) |
| Walnut Creek to Ronchi dei Legionari | 6,027.26 mi (9,699.93 km) |
| Walnut Creek to Ronciglione | 6,194.57 mi (9,969.20 km) |
| Walnut Creek to Rosa | 5,986.98 mi (9,635.12 km) |
| Walnut Creek to Rosarno | 6,522.93 mi (10,497.64 km) |
| Walnut Creek to Rosignano Marittimo | 6,080.92 mi (9,786.30 km) |
