| Helena to Deventer | 4,692.97 mi (7,552.61 km) |
| Helena to Diemen | 4,655.71 mi (7,492.64 km) |
| Helena to Doesburg | 4,704.71 mi (7,571.50 km) |
| Helena to Doetinchem | 4,711.96 mi (7,583.16 km) |
| Helena to Dokkum | 4,632.66 mi (7,455.54 km) |
| Helena to Dongen | 4,691.01 mi (7,549.45 km) |
| Helena to Doorn | 4,682.00 mi (7,534.95 km) |
| Helena to Dordrecht | 4,675.37 mi (7,524.28 km) |
| Helena to Drachten | 4,647.24 mi (7,479.01 km) |
| Helena to Drimmelen | 4,684.64 mi (7,539.20 km) |
| Helena to Dronten | 4,667.08 mi (7,510.93 km) |
| Helena to Druten | 4,696.80 mi (7,558.78 km) |
| Helena to Duiven | 4,705.42 mi (7,572.64 km) |
| Helena to Echt | 4,745.71 mi (7,637.48 km) |
| Helena to Edam | 4,648.56 mi (7,481.13 km) |
