| Castleton to Ondokuzmayis | 1,939.73 mi (3,121.69 km) |
| Castleton to Ordu | 2,034.89 mi (3,274.84 km) |
| Castleton to Ortahisar | 2,020.99 mi (3,252.47 km) |
| Castleton to Ortakent | 1,806.74 mi (2,907.67 km) |
| Castleton to Ortaklar | 1,774.38 mi (2,855.59 km) |
| Castleton to Ortakoy | 1,982.93 mi (3,191.22 km) |
| Castleton to Ortakoy | 1,960.45 mi (3,155.04 km) |
| Castleton to Osmaneli | 1,749.91 mi (2,816.21 km) |
| Castleton to Osmaniye | 2,149.43 mi (3,459.17 km) |
| Castleton to Ozdere | 1,753.83 mi (2,822.52 km) |
| Castleton to Palu | 2,220.41 mi (3,573.40 km) |
| Castleton to Pamukkale | 1,833.01 mi (2,949.94 km) |
| Castleton to Patnos | 2,314.63 mi (3,725.03 km) |
| Castleton to Pazar | 2,003.34 mi (3,224.07 km) |
| Castleton to Pazarcik | 2,171.07 mi (3,493.99 km) |
