| Sumner to Islahiye | 6,471.26 mi (10,414.48 km) |
| Sumner to Isparta | 6,329.35 mi (10,186.11 km) |
| Sumner to Istanbul | 6,089.33 mi (9,799.84 km) |
| Sumner to Izmir | 6,225.58 mi (10,019.10 km) |
| Sumner to Kadinhani | 6,325.27 mi (10,179.53 km) |
| Sumner to Kadirli | 6,440.88 mi (10,365.60 km) |
| Sumner to Kagithane | 6,085.72 mi (9,794.02 km) |
| Sumner to Kahramanmaras | 6,437.84 mi (10,360.71 km) |
| Sumner to Kahta | 6,446.08 mi (10,373.96 km) |
| Sumner to Kaman | 6,274.44 mi (10,097.74 km) |
| Sumner to Kangal | 6,332.82 mi (10,191.69 km) |
| Sumner to Kapakli | 6,051.40 mi (9,738.79 km) |
| Sumner to Karaagac | 6,495.05 mi (10,452.77 km) |
| Sumner to Karaagac | 6,053.28 mi (9,741.81 km) |
| Sumner to Karabuk | 6,136.07 mi (9,875.06 km) |
