| Southborough to Ondokuzmayis | 1,812.68 mi (2,917.22 km) |
| Southborough to Ordu | 1,910.09 mi (3,073.99 km) |
| Southborough to Ortahisar | 1,878.70 mi (3,023.48 km) |
| Southborough to Ortakent | 1,639.78 mi (2,638.97 km) |
| Southborough to Ortaklar | 1,610.36 mi (2,591.62 km) |
| Southborough to Ortakoy | 1,838.96 mi (2,959.51 km) |
| Southborough to Ortakoy | 1,825.91 mi (2,938.52 km) |
| Southborough to Osmaneli | 1,601.77 mi (2,577.80 km) |
| Southborough to Osmaniye | 2,005.07 mi (3,226.85 km) |
| Southborough to Ozdere | 1,589.28 mi (2,557.71 km) |
| Southborough to Palu | 2,091.30 mi (3,365.63 km) |
| Southborough to Pamukkale | 1,673.28 mi (2,692.88 km) |
| Southborough to Patnos | 2,194.78 mi (3,532.16 km) |
| Southborough to Pazar | 1,871.40 mi (3,011.73 km) |
| Southborough to Pazarcik | 2,030.79 mi (3,268.23 km) |
