| Mason City to Roeselare | 4,234.43 mi (6,814.65 km) |
| Mason City to Ronse | 4,259.19 mi (6,854.50 km) |
| Mason City to Rotselaar | 4,291.00 mi (6,905.70 km) |
| Mason City to Rumst | 4,275.29 mi (6,880.41 km) |
| Mason City to Saint-Ghislain | 4,278.80 mi (6,886.07 km) |
| Mason City to Saint-Nicolas | 4,333.00 mi (6,973.29 km) |
| Mason City to Saint-Vith | 4,368.56 mi (7,030.53 km) |
| Mason City to Scherpenheuvel | 4,297.95 mi (6,916.88 km) |
| Mason City to Schilde | 4,274.68 mi (6,879.44 km) |
| Mason City to Schoten | 4,271.66 mi (6,874.57 km) |
| Mason City to Seneffe | 4,291.12 mi (6,905.89 km) |
| Mason City to Seraing | 4,333.83 mi (6,974.63 km) |
| Mason City to Sint-Amandsberg | 4,252.63 mi (6,843.94 km) |
| Mason City to Sint-Andries | 4,226.67 mi (6,802.17 km) |
| Mason City to Sint-Genesius-Rode | 4,286.18 mi (6,897.94 km) |
