| Effingham to Islahiye | 6,127.23 mi (9,860.82 km) |
| Effingham to Isparta | 5,869.33 mi (9,445.77 km) |
| Effingham to Istanbul | 5,647.57 mi (9,088.88 km) |
| Effingham to Izmir | 5,707.96 mi (9,186.08 km) |
| Effingham to Kadinhani | 5,905.88 mi (9,504.60 km) |
| Effingham to Kadirli | 6,090.14 mi (9,801.13 km) |
| Effingham to Kagithane | 5,645.08 mi (9,084.89 km) |
| Effingham to Kahramanmaras | 6,107.77 mi (9,829.50 km) |
| Effingham to Kahta | 6,154.86 mi (9,905.29 km) |
| Effingham to Kaman | 5,902.13 mi (9,498.56 km) |
| Effingham to Kangal | 6,034.62 mi (9,711.79 km) |
| Effingham to Kapakli | 5,595.84 mi (9,005.63 km) |
| Effingham to Karaagac | 6,134.02 mi (9,871.75 km) |
| Effingham to Karaagac | 5,596.87 mi (9,007.29 km) |
| Effingham to Karabuk | 5,768.55 mi (9,283.58 km) |
