| Ottawa to Saarijarvi | 4,385.23 mi (7,057.35 km) |
| Ottawa to Salo | 4,433.44 mi (7,134.94 km) |
| Ottawa to Sastamala | 4,386.17 mi (7,058.86 km) |
| Ottawa to Savonlinna | 4,510.83 mi (7,259.47 km) |
| Ottawa to Seinajoki | 4,322.12 mi (6,955.78 km) |
| Ottawa to Siilinjarvi | 4,425.73 mi (7,122.53 km) |
| Ottawa to Sipoo | 4,489.96 mi (7,225.89 km) |
| Ottawa to Sippola | 4,517.37 mi (7,270.01 km) |
| Ottawa to Sodankyla | 4,207.59 mi (6,771.46 km) |
| Ottawa to Somero | 4,432.89 mi (7,134.04 km) |
| Ottawa to Sotkamo | 4,393.64 mi (7,070.88 km) |
| Ottawa to Tampere | 4,401.21 mi (7,083.06 km) |
| Ottawa to Tornio | 4,222.77 mi (6,795.89 km) |
| Ottawa to Turku | 4,407.92 mi (7,093.86 km) |
| Ottawa to Tuusula | 4,481.65 mi (7,212.52 km) |
