| Porthcawl to Rancho Cordova (California) | 5,166.74 mi (8,315.07 km) |
| Porthcawl to Rancho Cucamonga (California) | 5,298.70 mi (8,527.43 km) |
| Porthcawl to Rancho Mirage (California) | 5,280.47 mi (8,498.09 km) |
| Porthcawl to Rancho Palos Verdes (California) | 5,346.04 mi (8,603.62 km) |
| Porthcawl to Rancho San Diego (California) | 5,353.14 mi (8,615.04 km) |
| Porthcawl to Rancho Santa Margarita (California) | 5,327.40 mi (8,573.62 km) |
| Porthcawl to Randallstown (Maryland) | 3,488.74 mi (5,614.58 km) |
| Porthcawl to Rantoul (Illinois) | 3,904.01 mi (6,282.89 km) |
| Porthcawl to Rapid City (South Dakota) | 4,280.91 mi (6,889.47 km) |
| Porthcawl to Ravenna (Ohio) | 3,591.05 mi (5,779.24 km) |
| Porthcawl to Raymondville (Texas) | 4,974.47 mi (8,005.64 km) |
| Porthcawl to Raymore (Missouri) | 4,219.39 mi (6,790.45 km) |
| Porthcawl to Raytown (Missouri) | 4,210.32 mi (6,775.85 km) |
| Porthcawl to Reading (Ohio) | 3,806.02 mi (6,125.20 km) |
| Porthcawl to Reading (Pennsylvania) | 3,410.56 mi (5,488.76 km) |
