| Willoughby to Reedley (California) | 2,051.56 mi (3,301.67 km) |
| Willoughby to Reidsville (North Carolina) | 378.40 mi (608.98 km) |
| Willoughby to Reisterstown (Maryland) | 284.71 mi (458.19 km) |
| Willoughby to Rendon (Texas) | 1,070.88 mi (1,723.42 km) |
| Willoughby to Reno (Nevada) | 2,005.12 mi (3,226.93 km) |
| Willoughby to Renton (Washington) | 2,023.47 mi (3,256.46 km) |
| Willoughby to Republic (Missouri) | 713.06 mi (1,147.57 km) |
| Willoughby to Reston (Virginia) | 283.72 mi (456.60 km) |
| Willoughby to Revere (Massachusetts) | 536.28 mi (863.06 km) |
| Willoughby to Rexburg (Idaho) | 1,540.55 mi (2,479.27 km) |
| Willoughby to Reynoldsburg (Ohio) | 137.26 mi (220.90 km) |
| Willoughby to Rialto (California) | 2,014.05 mi (3,241.30 km) |
| Willoughby to Richardson (Texas) | 1,030.05 mi (1,657.71 km) |
| Willoughby to Richfield (Minnesota) | 637.07 mi (1,025.26 km) |
| Willoughby to Richfield (Wisconsin) | 365.21 mi (587.75 km) |
