| Bilbao to Kayapinar | 2,265.88 mi (3,646.59 km) |
| Bilbao to Kayseri | 2,009.60 mi (3,234.15 km) |
| Bilbao to Kemalpasa | 1,611.21 mi (2,592.99 km) |
| Bilbao to Kemer | 1,818.97 mi (2,927.35 km) |
| Bilbao to Keskin | 1,892.62 mi (3,045.88 km) |
| Bilbao to Kilimli | 1,765.65 mi (2,841.54 km) |
| Bilbao to Kilis | 2,145.90 mi (3,453.49 km) |
| Bilbao to Kinik | 1,592.77 mi (2,563.32 km) |
| Bilbao to Kirikkale | 1,883.76 mi (3,031.62 km) |
| Bilbao to Kirkagac | 1,607.29 mi (2,586.69 km) |
| Bilbao to Kirklareli | 1,531.18 mi (2,464.19 km) |
| Bilbao to Kirsehir | 1,932.56 mi (3,110.16 km) |
| Bilbao to Kizilpinar | 1,576.52 mi (2,537.16 km) |
| Bilbao to Kiziltepe | 2,306.52 mi (3,711.98 km) |
| Bilbao to Kocaali | 1,724.79 mi (2,775.78 km) |
