| Morro Bay to Rhondda | 5,338.39 mi (8,591.31 km) |
| Morro Bay to Rhosllanerchrugog | 5,285.22 mi (8,505.74 km) |
| Morro Bay to Rhyl | 5,257.72 mi (8,461.48 km) |
| Morro Bay to Rhymney | 5,336.03 mi (8,587.52 km) |
| Morro Bay to Richmond | 5,443.61 mi (8,760.64 km) |
| Morro Bay to Rickmansworth | 5,429.74 mi (8,738.33 km) |
| Morro Bay to Ripley | 5,333.64 mi (8,583.66 km) |
| Morro Bay to Ripon | 5,278.75 mi (8,495.32 km) |
| Morro Bay to Risca | 5,349.14 mi (8,608.60 km) |
| Morro Bay to Rochdale | 5,284.34 mi (8,504.32 km) |
| Morro Bay to Rochester | 5,472.12 mi (8,806.53 km) |
| Morro Bay to Rock Ferry | 5,269.81 mi (8,480.93 km) |
| Morro Bay to Rogerstone | 5,351.13 mi (8,611.81 km) |
| Morro Bay to Romford | 5,452.53 mi (8,775.00 km) |
| Morro Bay to Romsey | 5,428.70 mi (8,736.65 km) |
