| Mason City to Radauti | 5,141.50 mi (8,274.45 km) |
| Mason City to Ramnicu Sarat | 5,305.58 mi (8,538.50 km) |
| Mason City to Ramnicu Valcea | 5,234.07 mi (8,423.42 km) |
| Mason City to Rasnov | 5,243.77 mi (8,439.03 km) |
| Mason City to Reghin | 5,158.81 mi (8,302.30 km) |
| Mason City to Resita | 5,142.19 mi (8,275.55 km) |
| Mason City to Roman | 5,220.10 mi (8,400.94 km) |
| Mason City to Rosiori de Vede | 5,305.59 mi (8,538.53 km) |
| Mason City to Rovinari | 5,204.10 mi (8,375.20 km) |
| Mason City to Roznov | 5,212.14 mi (8,388.13 km) |
| Mason City to Sabaoani | 5,213.10 mi (8,389.68 km) |
| Mason City to Sacele | 5,250.33 mi (8,449.59 km) |
| Mason City to Sacueni | 5,045.92 mi (8,120.62 km) |
| Mason City to Salcea | 5,165.32 mi (8,312.77 km) |
| Mason City to Salonta | 5,059.18 mi (8,141.97 km) |
