| Dubuque to Roeselare | 4,174.83 mi (6,718.74 km) |
| Dubuque to Ronse | 4,199.60 mi (6,758.60 km) |
| Dubuque to Rotselaar | 4,232.74 mi (6,811.94 km) |
| Dubuque to Rumst | 4,217.04 mi (6,786.68 km) |
| Dubuque to Saint-Ghislain | 4,218.80 mi (6,789.50 km) |
| Dubuque to Saint-Nicolas | 4,274.82 mi (6,879.65 km) |
| Dubuque to Saint-Vith | 4,310.22 mi (6,936.63 km) |
| Dubuque to Scherpenheuvel | 4,240.03 mi (6,823.67 km) |
| Dubuque to Schilde | 4,216.86 mi (6,786.39 km) |
| Dubuque to Schoten | 4,213.81 mi (6,781.48 km) |
| Dubuque to Seneffe | 4,231.64 mi (6,810.17 km) |
| Dubuque to Seraing | 4,275.52 mi (6,880.79 km) |
| Dubuque to Sint-Amandsberg | 4,193.77 mi (6,749.22 km) |
| Dubuque to Sint-Andries | 4,167.63 mi (6,707.16 km) |
| Dubuque to Sint-Genesius-Rode | 4,227.20 mi (6,803.03 km) |
