| Duluth to Ondokuzmayis | 5,560.48 mi (8,948.73 km) |
| Duluth to Ordu | 5,640.68 mi (9,077.79 km) |
| Duluth to Ortahisar | 5,691.25 mi (9,159.18 km) |
| Duluth to Ortakent | 5,537.38 mi (8,911.56 km) |
| Duluth to Ortaklar | 5,501.38 mi (8,853.61 km) |
| Duluth to Ortakoy | 5,659.82 mi (9,108.61 km) |
| Duluth to Ortakoy | 5,607.25 mi (9,023.99 km) |
| Duluth to Osmaneli | 5,445.50 mi (8,763.69 km) |
| Duluth to Osmaniye | 5,821.99 mi (9,369.58 km) |
| Duluth to Ozdere | 5,481.72 mi (8,821.98 km) |
| Duluth to Palu | 5,832.23 mi (9,386.07 km) |
| Duluth to Pamukkale | 5,552.37 mi (8,935.68 km) |
| Duluth to Patnos | 5,878.49 mi (9,460.51 km) |
| Duluth to Pazar | 5,638.59 mi (9,074.44 km) |
| Duluth to Pazarcik | 5,828.83 mi (9,380.59 km) |
