| Ionia to Sonneberg | 4,262.79 mi (6,860.30 km) |
| Ionia to Sonsbeck | 4,040.46 mi (6,502.49 km) |
| Ionia to Sonthofen | 4,341.14 mi (6,986.39 km) |
| Ionia to Spaichingen | 4,260.19 mi (6,856.12 km) |
| Ionia to Spelle | 4,053.20 mi (6,522.99 km) |
| Ionia to Spenge | 4,098.29 mi (6,595.55 km) |
| Ionia to Speyer | 4,201.00 mi (6,760.86 km) |
| Ionia to Spiesen-Elversberg | 4,152.00 mi (6,681.99 km) |
| Ionia to Spremberg | 4,328.97 mi (6,966.80 km) |
| Ionia to Springe | 4,133.47 mi (6,652.18 km) |
| Ionia to Sprockhovel | 4,081.25 mi (6,568.14 km) |
| Ionia to Stade | 4,080.03 mi (6,566.17 km) |
| Ionia to Stadtallendorf | 4,165.75 mi (6,704.13 km) |
| Ionia to Stadthagen | 4,117.22 mi (6,626.03 km) |
| Ionia to Stadtlohn | 4,046.53 mi (6,512.27 km) |
