| Mason City to Srbobran | 5,059.76 mi (8,142.90 km) |
| Mason City to Sremska Kamenica | 5,077.08 mi (8,170.76 km) |
| Mason City to Sremska Mitrovica | 5,081.68 mi (8,178.17 km) |
| Mason City to Sremski Karlovci | 5,081.30 mi (8,177.56 km) |
| Mason City to Stara Pazova | 5,099.96 mi (8,207.60 km) |
| Mason City to Subotica | 5,027.91 mi (8,091.63 km) |
| Mason City to Surcin | 5,113.03 mi (8,228.62 km) |
| Mason City to Surdulica | 5,283.30 mi (8,502.64 km) |
| Mason City to Svilajnac | 5,173.38 mi (8,325.75 km) |
| Mason City to Svrljig | 5,244.96 mi (8,440.94 km) |
| Mason City to Temerin | 5,068.90 mi (8,157.61 km) |
| Mason City to Titel | 5,093.53 mi (8,197.25 km) |
| Mason City to Topola | 5,153.69 mi (8,294.06 km) |
| Mason City to Trgoviste | 5,298.15 mi (8,526.56 km) |
| Mason City to Trstenik | 5,196.41 mi (8,362.81 km) |
