| Effingham to Ondokuzmayis | 5,870.33 mi (9,447.38 km) |
| Effingham to Ordu | 5,957.02 mi (9,586.90 km) |
| Effingham to Ortahisar | 5,980.69 mi (9,624.99 km) |
| Effingham to Ortakent | 5,778.45 mi (9,299.52 km) |
| Effingham to Ortaklar | 5,748.08 mi (9,250.64 km) |
| Effingham to Ortakoy | 5,945.54 mi (9,568.42 km) |
| Effingham to Ortakoy | 5,907.08 mi (9,506.53 km) |
| Effingham to Osmaneli | 5,719.15 mi (9,204.08 km) |
| Effingham to Osmaniye | 6,111.08 mi (9,834.84 km) |
| Effingham to Ozdere | 5,727.25 mi (9,217.11 km) |
| Effingham to Palu | 6,148.64 mi (9,895.28 km) |
| Effingham to Pamukkale | 5,807.81 mi (9,346.76 km) |
| Effingham to Patnos | 6,212.29 mi (9,997.71 km) |
| Effingham to Pazar | 5,943.62 mi (9,565.32 km) |
| Effingham to Pazarcik | 6,125.55 mi (9,858.12 km) |
