| Holbrook to Trim | 3,112.63 mi (5,009.29 km) |
| Holbrook to Tuam | 3,030.14 mi (4,876.54 km) |
| Holbrook to Tullamore | 3,088.04 mi (4,969.72 km) |
| Holbrook to Waterford | 3,117.81 mi (5,017.64 km) |
| Holbrook to Wexford | 3,144.29 mi (5,060.24 km) |
| Holbrook to Wicklow | 3,151.70 mi (5,072.17 km) |
| Holbrook to Abano Terme | 4,088.04 mi (6,579.06 km) |
| Holbrook to Abbiategrasso | 3,963.46 mi (6,378.57 km) |
| Holbrook to Acate | 4,506.04 mi (7,251.77 km) |
| Holbrook to Acerra | 4,353.83 mi (7,006.82 km) |
| Holbrook to Aci Castello | 4,515.91 mi (7,267.66 km) |
| Holbrook to Aci Catena | 4,513.64 mi (7,264.01 km) |
| Holbrook to Aci Sant'Antonio | 4,512.89 mi (7,262.79 km) |
| Holbrook to Acireale | 4,514.53 mi (7,265.43 km) |
| Holbrook to Acquaviva delle Fonti | 4,465.02 mi (7,185.76 km) |
