| Santo Tirso to Reidsville (North Carolina) | 3,738.76 mi (6,016.95 km) |
| Santo Tirso to Reisterstown (Maryland) | 3,501.84 mi (5,635.66 km) |
| Santo Tirso to Rendon (Texas) | 4,721.31 mi (7,598.21 km) |
| Santo Tirso to Reno (Nevada) | 5,383.06 mi (8,663.20 km) |
| Santo Tirso to Renton (Washington) | 5,084.33 mi (8,182.45 km) |
| Santo Tirso to Republic (Missouri) | 4,365.30 mi (7,025.27 km) |
| Santo Tirso to Reston (Virginia) | 3,542.70 mi (5,701.42 km) |
| Santo Tirso to Revere (Massachusetts) | 3,142.50 mi (5,057.36 km) |
| Santo Tirso to Rexburg (Idaho) | 4,876.80 mi (7,848.45 km) |
| Santo Tirso to Reynoldsburg (Ohio) | 3,770.77 mi (6,068.47 km) |
| Santo Tirso to Rialto (California) | 5,546.78 mi (8,926.68 km) |
| Santo Tirso to Richardson (Texas) | 4,680.66 mi (7,532.79 km) |
| Santo Tirso to Richfield (Minnesota) | 4,080.99 mi (6,567.72 km) |
| Santo Tirso to Richfield (Wisconsin) | 3,915.22 mi (6,300.93 km) |
| Santo Tirso to Richland (Washington) | 5,041.93 mi (8,114.20 km) |
