| Mason City to Rancho Cordova (California) | 1,492.16 mi (2,401.40 km) |
| Mason City to Rancho Cucamonga (California) | 1,448.28 mi (2,330.78 km) |
| Mason City to Rancho Mirage (California) | 1,407.56 mi (2,265.24 km) |
| Mason City to Rancho Palos Verdes (California) | 1,500.49 mi (2,414.80 km) |
| Mason City to Rancho San Diego (California) | 1,470.66 mi (2,366.79 km) |
| Mason City to Rancho Santa Margarita (California) | 1,468.49 mi (2,363.30 km) |
| Mason City to Randallstown (Maryland) | 889.03 mi (1,430.75 km) |
| Mason City to Rantoul (Illinois) | 325.98 mi (524.62 km) |
| Mason City to Rapid City (South Dakota) | 505.02 mi (812.76 km) |
| Mason City to Ravenna (Ohio) | 627.09 mi (1,009.20 km) |
| Mason City to Raymondville (Texas) | 1,180.38 mi (1,899.63 km) |
| Mason City to Raymore (Missouri) | 307.35 mi (494.63 km) |
| Mason City to Raytown (Missouri) | 294.48 mi (473.92 km) |
| Mason City to Reading (Ohio) | 529.97 mi (852.90 km) |
| Mason City to Reading (Pennsylvania) | 909.60 mi (1,463.86 km) |
