| Letterkenny to Zottegem | 556.02 mi (894.83 km) |
| Letterkenny to Zulte | 540.97 mi (870.60 km) |
| Letterkenny to Zwevegem | 542.15 mi (872.51 km) |
| Letterkenny to Zwijndrecht | 561.98 mi (904.42 km) |
| Letterkenny to Asenovgrad | 1,716.62 mi (2,762.64 km) |
| Letterkenny to Aytos | 1,776.25 mi (2,858.59 km) |
| Letterkenny to Balchik | 1,779.29 mi (2,863.49 km) |
| Letterkenny to Bankya | 1,619.44 mi (2,606.24 km) |
| Letterkenny to Bansko | 1,673.27 mi (2,692.86 km) |
| Letterkenny to Berkovitsa | 1,594.27 mi (2,565.72 km) |
| Letterkenny to Blagoevgrad | 1,650.13 mi (2,655.63 km) |
| Letterkenny to Botevgrad | 1,634.79 mi (2,630.94 km) |
| Letterkenny to Burgas | 1,793.62 mi (2,886.55 km) |
| Letterkenny to Byala Slatina | 1,614.69 mi (2,598.59 km) |
| Letterkenny to Chirpan | 1,725.43 mi (2,776.81 km) |
