| Dubuque to Saarijarvi | 4,360.19 mi (7,017.05 km) |
| Dubuque to Salo | 4,414.20 mi (7,103.97 km) |
| Dubuque to Sastamala | 4,365.33 mi (7,025.32 km) |
| Dubuque to Savonlinna | 4,484.55 mi (7,217.18 km) |
| Dubuque to Seinajoki | 4,298.63 mi (6,917.98 km) |
| Dubuque to Siilinjarvi | 4,398.30 mi (7,078.38 km) |
| Dubuque to Sipoo | 4,469.07 mi (7,192.27 km) |
| Dubuque to Sippola | 4,494.49 mi (7,233.18 km) |
| Dubuque to Sodankyla | 4,173.09 mi (6,715.94 km) |
| Dubuque to Somero | 4,412.89 mi (7,101.86 km) |
| Dubuque to Sotkamo | 4,363.85 mi (7,022.93 km) |
| Dubuque to Tampere | 4,379.45 mi (7,048.05 km) |
| Dubuque to Tornio | 4,192.67 mi (6,747.45 km) |
| Dubuque to Turku | 4,389.21 mi (7,063.75 km) |
| Dubuque to Tuusula | 4,460.83 mi (7,179.01 km) |
