| Dubuque to Seysses | 4,387.48 mi (7,060.97 km) |
| Dubuque to Sin-le-Noble | 4,195.97 mi (6,752.76 km) |
| Dubuque to Six-Fours-les-Plages | 4,587.44 mi (7,382.78 km) |
| Dubuque to Soissons | 4,240.58 mi (6,824.55 km) |
| Dubuque to Soisy-sous-Montmorency | 4,216.52 mi (6,785.84 km) |
| Dubuque to Sollies-Pont | 4,592.65 mi (7,391.15 km) |
| Dubuque to Somain | 4,202.39 mi (6,763.09 km) |
| Dubuque to Sorgues | 4,512.00 mi (7,261.36 km) |
| Dubuque to Sotteville-les-Rouen | 4,154.80 mi (6,686.50 km) |
| Dubuque to Soyaux | 4,259.47 mi (6,854.96 km) |
| Dubuque to Stains | 4,221.13 mi (6,793.25 km) |
| Dubuque to Stiring-Wendel | 4,382.09 mi (7,052.29 km) |
| Dubuque to Strasbourg | 4,437.04 mi (7,140.73 km) |
| Dubuque to Sucy-en-Brie | 4,233.21 mi (6,812.69 km) |
| Dubuque to Suresnes | 4,217.88 mi (6,788.02 km) |
