| Caldicot to Reidsville (North Carolina) | 3,780.92 mi (6,084.80 km) |
| Caldicot to Reisterstown (Maryland) | 3,522.06 mi (5,668.20 km) |
| Caldicot to Rendon (Texas) | 4,671.05 mi (7,517.32 km) |
| Caldicot to Reno (Nevada) | 5,091.90 mi (8,194.63 km) |
| Caldicot to Renton (Washington) | 4,713.19 mi (7,585.15 km) |
| Caldicot to Republic (Missouri) | 4,294.17 mi (6,910.80 km) |
| Caldicot to Reston (Virginia) | 3,566.32 mi (5,739.43 km) |
| Caldicot to Revere (Massachusetts) | 3,157.16 mi (5,080.95 km) |
| Caldicot to Rexburg (Idaho) | 4,605.12 mi (7,411.22 km) |
| Caldicot to Reynoldsburg (Ohio) | 3,741.83 mi (6,021.90 km) |
| Caldicot to Rialto (California) | 5,319.68 mi (8,561.20 km) |
| Caldicot to Richardson (Texas) | 4,630.44 mi (7,451.97 km) |
| Caldicot to Richfield (Minnesota) | 3,918.70 mi (6,306.55 km) |
| Caldicot to Richfield (Wisconsin) | 3,806.04 mi (6,125.23 km) |
| Caldicot to Richland (Washington) | 4,698.94 mi (7,562.21 km) |
