| Helensburgh to Dobrova | 1,073.49 mi (1,727.62 km) |
| Helensburgh to Dobrovnik | 1,109.36 mi (1,785.34 km) |
| Helensburgh to Dobrovo | 1,047.51 mi (1,685.81 km) |
| Helensburgh to Dol | 1,079.24 mi (1,736.87 km) |
| Helensburgh to Dolenjske Toplice | 1,109.73 mi (1,785.94 km) |
| Helensburgh to Domzale | 1,075.12 mi (1,730.23 km) |
| Helensburgh to Dornava | 1,106.28 mi (1,780.39 km) |
| Helensburgh to Dragomer | 1,074.17 mi (1,728.70 km) |
| Helensburgh to Dravograd | 1,067.15 mi (1,717.42 km) |
| Helensburgh to Gorenja Vas | 1,061.97 mi (1,709.07 km) |
| Helensburgh to Gorisnica | 1,109.33 mi (1,785.29 km) |
| Helensburgh to Gornja Radgona | 1,096.01 mi (1,763.86 km) |
| Helensburgh to Gornji Grad | 1,074.29 mi (1,728.90 km) |
| Helensburgh to Gornji Petrovci | 1,097.58 mi (1,766.39 km) |
| Helensburgh to Grad | 1,093.83 mi (1,760.35 km) |
