| Round Rock to Dobrova | 5,658.29 mi (9,106.14 km) |
| Round Rock to Dobrovnik | 5,707.25 mi (9,184.93 km) |
| Round Rock to Dobrovo | 5,626.15 mi (9,054.41 km) |
| Round Rock to Dol | 5,665.66 mi (9,118.00 km) |
| Round Rock to Dolenjske Toplice | 5,695.45 mi (9,165.95 km) |
| Round Rock to Domzale | 5,661.74 mi (9,111.68 km) |
| Round Rock to Dornava | 5,701.46 mi (9,175.62 km) |
| Round Rock to Dragomer | 5,658.44 mi (9,106.38 km) |
| Round Rock to Dravograd | 5,659.64 mi (9,108.31 km) |
| Round Rock to Gorenja Vas | 5,645.68 mi (9,085.85 km) |
| Round Rock to Gorisnica | 5,704.64 mi (9,180.74 km) |
| Round Rock to Gornja Radgona | 5,692.86 mi (9,161.78 km) |
| Round Rock to Gornji Grad | 5,663.39 mi (9,114.35 km) |
| Round Rock to Gornji Petrovci | 5,695.88 mi (9,166.64 km) |
| Round Rock to Grad | 5,691.72 mi (9,159.94 km) |
