| South Portland to Holbrook (New York) | 242.16 mi (389.72 km) |
| South Portland to Holiday (Florida) | 1,271.29 mi (2,045.94 km) |
| South Portland to Holiday City-Berkeley (New Jersey) | 326.13 mi (524.86 km) |
| South Portland to Holladay (Utah) | 2,115.31 mi (3,404.27 km) |
| South Portland to Holland (Michigan) | 797.27 mi (1,283.09 km) |
| South Portland to Hollins (Virginia) | 667.49 mi (1,074.21 km) |
| South Portland to Hollister (California) | 2,692.54 mi (4,333.22 km) |
| South Portland to Holly Hill (Florida) | 1,157.71 mi (1,863.15 km) |
| South Portland to Holly Springs (Georgia) | 1,002.50 mi (1,613.37 km) |
| South Portland to Holly Springs (North Carolina) | 713.90 mi (1,148.92 km) |
| South Portland to Hollywood (Florida) | 1,336.63 mi (2,151.10 km) |
| South Portland to Holmen (Wisconsin) | 1,043.47 mi (1,679.30 km) |
| South Portland to Holt (Michigan) | 720.39 mi (1,159.36 km) |
| South Portland to Holtsville (New York) | 240.38 mi (386.86 km) |
| South Portland to Holyoke (Massachusetts) | 154.14 mi (248.06 km) |
