| Ottawa to Roeselare | 4,159.33 mi (6,693.79 km) |
| Ottawa to Ronse | 4,184.07 mi (6,733.61 km) |
| Ottawa to Rotselaar | 4,218.56 mi (6,789.11 km) |
| Ottawa to Rumst | 4,202.90 mi (6,763.91 km) |
| Ottawa to Saint-Ghislain | 4,202.82 mi (6,763.79 km) |
| Ottawa to Saint-Nicolas | 4,260.66 mi (6,856.87 km) |
| Ottawa to Saint-Vith | 4,295.86 mi (6,913.52 km) |
| Ottawa to Scherpenheuvel | 4,226.19 mi (6,801.40 km) |
| Ottawa to Schilde | 4,203.15 mi (6,764.32 km) |
| Ottawa to Schoten | 4,200.09 mi (6,759.39 km) |
| Ottawa to Seneffe | 4,216.20 mi (6,785.32 km) |
| Ottawa to Seraing | 4,261.24 mi (6,857.80 km) |
| Ottawa to Sint-Amandsberg | 4,179.01 mi (6,725.47 km) |
| Ottawa to Sint-Andries | 4,152.73 mi (6,683.17 km) |
| Ottawa to Sint-Genesius-Rode | 4,212.29 mi (6,779.02 km) |
