| Round Rock to Roeselare | 5,041.81 mi (8,114.00 km) |
| Round Rock to Ronse | 5,066.48 mi (8,153.71 km) |
| Round Rock to Rotselaar | 5,102.44 mi (8,211.59 km) |
| Round Rock to Rumst | 5,086.84 mi (8,186.48 km) |
| Round Rock to Saint-Ghislain | 5,084.66 mi (8,182.97 km) |
| Round Rock to Saint-Nicolas | 5,144.51 mi (8,279.29 km) |
| Round Rock to Saint-Vith | 5,179.42 mi (8,335.48 km) |
| Round Rock to Scherpenheuvel | 5,110.44 mi (8,224.46 km) |
| Round Rock to Schilde | 5,087.58 mi (8,187.67 km) |
| Round Rock to Schoten | 5,084.50 mi (8,182.70 km) |
| Round Rock to Seneffe | 5,098.66 mi (8,205.49 km) |
| Round Rock to Seraing | 5,144.94 mi (8,279.98 km) |
| Round Rock to Sint-Amandsberg | 5,062.31 mi (8,147.00 km) |
| Round Rock to Sint-Andries | 5,035.90 mi (8,104.50 km) |
| Round Rock to Sint-Genesius-Rode | 5,095.35 mi (8,200.18 km) |
