| Aliso Viejo to Rivalta di Torino | 6,014.23 mi (9,678.97 km) |
| Aliso Viejo to Rivarolo Canavese | 6,005.77 mi (9,665.36 km) |
| Aliso Viejo to Rivoli | 6,012.41 mi (9,676.03 km) |
| Aliso Viejo to Rocca di Papa | 6,355.81 mi (10,228.68 km) |
| Aliso Viejo to Rocca Priora | 6,356.55 mi (10,229.88 km) |
| Aliso Viejo to Roccapiemonte | 6,474.18 mi (10,419.19 km) |
| Aliso Viejo to Roccastrada | 6,239.24 mi (10,041.08 km) |
| Aliso Viejo to Romano di Lombardia | 6,062.39 mi (9,756.47 km) |
| Aliso Viejo to Rome | 6,341.41 mi (10,205.51 km) |
| Aliso Viejo to Roncade | 6,139.25 mi (9,880.16 km) |
| Aliso Viejo to Ronchi dei Legionari | 6,162.32 mi (9,917.29 km) |
| Aliso Viejo to Ronciglione | 6,311.55 mi (10,157.46 km) |
| Aliso Viejo to Rosa | 6,115.51 mi (9,841.96 km) |
| Aliso Viejo to Rosarno | 6,640.54 mi (10,686.91 km) |
| Aliso Viejo to Rosignano Marittimo | 6,195.76 mi (9,971.11 km) |
