| Sumter to Ondokuzmayis | 5,850.06 mi (9,414.76 km) |
| Sumter to Ordu | 5,943.14 mi (9,564.56 km) |
| Sumter to Ortahisar | 5,933.50 mi (9,549.05 km) |
| Sumter to Ortakent | 5,679.15 mi (9,139.71 km) |
| Sumter to Ortaklar | 5,655.73 mi (9,102.01 km) |
| Sumter to Ortakoy | 5,894.58 mi (9,486.42 km) |
| Sumter to Ortakoy | 5,873.85 mi (9,453.05 km) |
| Sumter to Osmaneli | 5,658.38 mi (9,106.28 km) |
| Sumter to Osmaniye | 6,060.95 mi (9,754.16 km) |
| Sumter to Ozdere | 5,633.97 mi (9,067.00 km) |
| Sumter to Palu | 6,131.17 mi (9,867.16 km) |
| Sumter to Pamukkale | 5,724.21 mi (9,212.22 km) |
| Sumter to Patnos | 6,215.61 mi (10,003.06 km) |
| Sumter to Pazar | 5,916.01 mi (9,520.90 km) |
| Sumter to Pazarcik | 6,084.32 mi (9,791.77 km) |
