| Boppard to Isparta | 1,420.18 mi (2,285.55 km) |
| Boppard to Istanbul | 1,206.48 mi (1,941.64 km) |
| Boppard to Izmir | 1,257.96 mi (2,024.49 km) |
| Boppard to Kadinhani | 1,462.85 mi (2,354.23 km) |
| Boppard to Kadirli | 1,660.98 mi (2,673.09 km) |
| Boppard to Kagithane | 1,204.40 mi (1,938.30 km) |
| Boppard to Kahramanmaras | 1,685.75 mi (2,712.95 km) |
| Boppard to Kahta | 1,747.66 mi (2,812.59 km) |
| Boppard to Kaman | 1,473.96 mi (2,372.11 km) |
| Boppard to Kangal | 1,632.83 mi (2,627.79 km) |
| Boppard to Kapakli | 1,152.65 mi (1,855.01 km) |
| Boppard to Karaagac | 1,699.54 mi (2,735.15 km) |
| Boppard to Karaagac | 1,153.43 mi (1,856.27 km) |
| Boppard to Karabuk | 1,350.46 mi (2,173.36 km) |
| Boppard to Karahalli | 1,353.11 mi (2,177.61 km) |
