| Northglenn to Zottegem | 4,837.31 mi (7,784.90 km) |
| Northglenn to Zulte | 4,822.75 mi (7,761.46 km) |
| Northglenn to Zwevegem | 4,824.46 mi (7,764.21 km) |
| Northglenn to Zwijndrecht | 4,839.79 mi (7,788.90 km) |
| Northglenn to Asenovgrad | 5,963.58 mi (9,597.46 km) |
| Northglenn to Aytos | 5,995.64 mi (9,649.05 km) |
| Northglenn to Balchik | 5,980.19 mi (9,624.18 km) |
| Northglenn to Bankya | 5,872.82 mi (9,451.39 km) |
| Northglenn to Bansko | 5,931.24 mi (9,545.41 km) |
| Northglenn to Berkovitsa | 5,843.01 mi (9,403.41 km) |
| Northglenn to Blagoevgrad | 5,909.30 mi (9,510.10 km) |
| Northglenn to Botevgrad | 5,881.58 mi (9,465.49 km) |
| Northglenn to Burgas | 6,013.20 mi (9,677.31 km) |
| Northglenn to Byala Slatina | 5,854.88 mi (9,422.51 km) |
| Northglenn to Chirpan | 5,967.15 mi (9,603.20 km) |
