| Ottawa to Sprimont | 4,270.49 mi (6,872.69 km) |
| Ottawa to Stabroek | 4,192.19 mi (6,746.68 km) |
| Ottawa to Staden | 4,154.19 mi (6,685.52 km) |
| Ottawa to Steenokkerzeel | 4,212.15 mi (6,778.80 km) |
| Ottawa to Stekene | 4,184.49 mi (6,734.29 km) |
| Ottawa to Strombeek-Bever | 4,206.56 mi (6,769.80 km) |
| Ottawa to Temse | 4,193.64 mi (6,749.01 km) |
| Ottawa to Ternat | 4,201.86 mi (6,762.23 km) |
| Ottawa to Tervuren | 4,215.48 mi (6,784.16 km) |
| Ottawa to Tessenderlo | 4,228.40 mi (6,804.96 km) |
| Ottawa to Theux | 4,274.69 mi (6,879.44 km) |
| Ottawa to Thuin | 4,224.59 mi (6,798.83 km) |
| Ottawa to Tielt | 4,165.06 mi (6,703.01 km) |
| Ottawa to Tienen | 4,232.26 mi (6,811.17 km) |
| Ottawa to Tongeren | 4,252.74 mi (6,844.13 km) |
